Secrets of the Dead


Nero’s Sunken City

Explore some iconic historical moments while debunking long-held myths and shining new light on past events. Advances in investigative techniques, forensic science and historical scholarship offer new evidence on forgotten mysteries.

AIRED: March 29, 2017 | 0:55:11

Narrator: In the Bay of Naples,

just a few miles from Pompeii and Vesuvius,

lies one of the world'’s most stunning

underwater archaeological sites.

This is the lost Roman city of Baiae.

From the first century to the third century A.D.,

it was the most exclusive spot in the Roman Empire.

Man: You can come here, relax by the sea,

and really indulge your wildest dreams.

Narrator: It was a place of fantastic wealth,

but the glitter and opulence hid a dark side.

Rome'’s elite came here to scheme and conspire,

and it was the setting

for one of the most sinister murder plots of the Roman Age.

Second man: But how do you get rid of your own mother?

Do you poison her?

Narrator: Baiae played a pivotal role

in the Roman Empire.

Then disaster struck.

Half the city sank beneath the waves

and lay forgotten for more than a thousand years.

Now, a team of archaeologists is investigating

every inch of the ruins,

and new discoveries are helping to shed light

on the lives of Rome'’s elite.

Man: You get a real sense, as you'’re coming down here,

that you are heading back in time.

Narrator: The team wants to know

what drew people to this place,

what really went on here,

and why did it disappear.

For the first time, we build a true picture

of what Baiae would have looked like 2,000 years ago.

This is the untold story of "Nero'’s Sunken City."

Narrator: Rome...

Narrator: Rome...

the greatest city of the ancient world,

a busy metropolis where emperors and politicians

controlled one of the largest empires ever known.

Its unimaginable wealth was best displayed

in its famous monuments, like the Coliseum, the Forum,

and the Pantheon.

Here, the ruling class plotted and schemed

their way to the top.

And everything happened under the watchful eye

of the Senate.

But a powerful few knew a place

where anything and everything was possible.

This is Baiae...

a resort where the elites could let their hair down

and indulge their wildest dreams.

150 miles south of Rome, the coastal city

offered spectacular ocean views,

but lay in the dangerous shadow of Vesuvius.

Today, few know about Baiae.

It remains one of the least explored

but most intriguing places in the Roman Empire.

Dicus: Some of the greatest names of the Roman Republic--

Caesar, Cicero, Mark Antony, Brutus, Nero--

all of these men had villas at Baiae.

This is where Rome'’s elite could come

searching for "otium," that is, leisure.

Rice: It was absolutely a place

of pleasure and debauchery, and the mere mention of Baiae

brought to mind scandal and could ruin your reputation.

Narrator: Ancient Roman historians chronicled life here.

Toner: In one description we have by the writer Seneca,

he'’s walking along the port of Baiae,

and he sees people staggering around, they'’re so drunk.

There are parties going on on boats out on the bay,

and the air is full of loud music.

Dicus: Varro, for example, says Baiae is the place

where old men come to become young boys again...

and young boys come to become girls.

This is where aristocrats could come

and shed their public persona

and pursue pleasures in private--

illicit sex, drunkenness,

parties on the beach, parties on boats.

What happened at Baiae stayed at Baiae.

Narrator: Aboveground, palatial ruins

hint at a glorious past.

But there is more to Baiae

than what'’s visible on land.

More than half the once-great town

now lies beneath the waves.

Ruins 3 times the size of those in Pompeii.

There'’s a network of roads...

miles of brick walls...

rich marble floors...

and splendid mosaics.

Now, an international team of scientists,

archaeologists, and historians

has begun to map this forgotten treasure.

Davide: It'’s very important to do documentation

of the archaeological structures that are underwater in Baiae

to have a map of all the town.

Narrator: Before the ancient architecture

crumbles in the ocean,

underwater archaeologist Barbara Davide and her team

are carefully surveying the ruins,

preserving, identifying, and logging every inch of them.

Their project will create

a 3D map of the underwater city.

Davide: The submerged Baiae is very large.

It'’s about 177 hectares of archaeological structure.

So, as you can imagine, there is work

for two or three generations of archaeologists.

Narrator: Surprisingly, the archaeologists haven'’t found

any identifiable public buildings...

no forum, no temple, no marketplace.

Just the remains of one enormous luxury villa after another,

a Roman Beverly Hills.

In the rubble, the team has discovered a room

containing beautifully preserved marble statues.

This room must have been in a private home

of unparalleled wealth and ostentation.

Who owned this villa,

and what was this room used for?

To protect these statues

from the damaging effects of saltwater,

they'’ve been brought to the surface.

Here, they can be examined in close detail.

Professor Kevin Dicus has spent the last decade

excavating Roman remains around the Bay of Naples.

Dicus: Here, for example, is a magnificent Dionysus,

playing with his panther down here.

This statue, in particular, evokes classical Greek statuary,

with the slender body

and the pronounced S-curve and weight shift.

This is precisely the sort of work

that these elite Romans would want to copy

and display in their own houses.

Narrator: This fascination with Greek art

began in the second century B.C. when Rome conquered Greece.

The Roman generals plundered statues

and brought them home to Roman sculptors,

who made replicas for rich collectors.

Piecing together evidence from the submerged ruins,

the room can be re-created

as it would have been 2,000 years ago.

Archaeologists now believe this was once a nymphaeum,

a man-made grotto dedicated to water nymphs,

where diners were treated to lavish banquets.

Guests reclined not around a table,

but a large pool of water

on which floated plates of food.

This was clearly another display of extraordinary wealth.

But who lived here?

One statue in the nymphaeum provides a clue.

This is Antonia Minor, the mother of Claudius

and the niece of the first emperor, Augustus...

a remarkable discovery.

This is the imperial villa,

owned and lived in by the emperor Claudius himself.

How opulent were these seaside villas?

The nearby archaeological site of Pausilypon

escaped the destruction that submerged Baiae,

and the ruins here offer a glimpse

at the splendor of one of these luxury vacation homes.

Dicus: Wow. This is magnificent.

This is one of the great surviving examples

of a Roman maritime villa.

The rest have sunk underneath the sea here,

but we do have this standing structure.

Maritime villas like this

weren'’t simply one large structure.

It was an entire complex of buildings.

Narrator: These spectacular Roman villas were massive,

like mini cities unto themselves.

Dicus: We can see here a large theater

that could seat at least 1,400 people.

Over here, the odeon.

Now, this would have been covered,

used for poetry readings, musical performance.

Now, wealthy homes today have home theaters,

but how many really have home...theaters?

This is the conspicuous, ostentatious new wealth

of this new elite.

Narrator: The treasures found beneath the waves in Baiae

tell us these villas were adorned

with fine marble statues and elaborate water features.

But how did the super-rich furnish these lavish spaces?

Just a few miles from Baiae, in Positano,

the team has been granted exclusive access

to a startling new discovery

that sheds light on the luxurious Roman lifestyle.

Dr. Jerry Toner is an expert in Roman social history.

Toner: So you get a real sense, as you'’re coming down here,

that you are heading back in time.

You also absolutely get a sense of

you are in the middle of archaeology at work.

[Distant hammering]

Narrator: Digging down more than 60 feet,

archaeologists have unearthed the dining room

of a grand Roman coastal villa,

each wall decorated with exquisite frescoes.

Toner: What strikes you first

is really just how overwhelming the use of color is.

I mean, there is nothing "less is more" about this.

This is absolutely in your face.

Wealth, luxury.

Paint a really expensive item in the Roman world,

and the cheaper colors are whites, reds, and yellows,

and so you can see how they'’re used

almost as a kind of background effect.

And the really expensive colors are the blues and the greens.

Narrator: The frescoes echo the views

that would have been enjoyed along the shore.

Toner: You'’ll get glimpses of the sea.

You would have glimpses of the--of the mountains.

There would be curtains up, used to keep the sun out

or to allow a nice breeze to come through.

Narrator: But it'’s not just the extravagant use of color

that makes this fresco expensive and unusual.

Fantasy figures made of stucco adorn the painting.

Toner: We'’ve got these kind of stucco sea monsters up here

and dolphins and cherubs

and what looks like a pegasus up there

in stucco so that they stand out from the walls.

This is a place where you can escape Rome

and all its filth and its mess

and all the work and all the horrible politics,

and you can come here, relax by the sea,

and really indulge your wildest dreams.

Narrator: Among the ruins, archaeologists have found

incredible artifacts that show

no expense was spared in decorating.

So this is a massive oil lamp.

[Speaking Italian]

So you put the oil,

your little wicks in here,

and you fill it up with oil,

and you can see it'’s got this wonderful Medusa'’s head.

I mean, just by way of comparison,

this is a kind of standard-sized lamp.

But when you'’ve got a big villa like this,

you need big lamps to--to light it.

It'’s--you know, this little thing

isn'’t gonna get you anywhere.

And you can see it'’s got a real translucent quality to it,

almost like mother-of-pearl,

the kind of variations in--in color

that you'’re getting there-- very high-quality work.

This thing here is a lamp stand,

and you get a sense just how heavy this bronze thing is.

[Speaking Italian]

And this would have hung on chains held on the end there.

So this is your ancient reading lamp.

Narrator: Even the kitchenware is made of solid bronze.

Toner: This is not a villa where you'’re gonna have

cheap pots and pans.

These are very well-made,

with--with wonderful decoration,

like the little ram'’s head here.

Again, it'’s all part of this kind of ostentation,

a lot of luxury.

It'’s not just pure functionality.

There'’s a lot of art built into the pots.

And this kind of luxury furniture

would have been typical of the kind of villa

you saw along the coast here all the way to Baiae.

Narrator: These precious artifacts provide a glimpse

of the housewares inside a Roman villa.

Back in Baiae,

Barbara'’s underwater survey team has found yet another example

of the wealth in Baiae.

They notice what appear to be common water tanks,

but these seemingly unimpressive structures

were actually ponds for farming fish.

Davide: It'’s not difficult to find fish ponds

connected with ancient villas in this place.

The area covered by the fish ponds,

it'’s very large.

It'’s about 100 square meters, probably more.

Narrator: The ponds were found on the villa grounds,

not in commercial areas,

suggesting that the wealthy of Baiae

had their own fish farms.

The ponds were filled with seawater,

but archaeologists have discovered channels

that pumped in freshwater.

This was the ancient Romans'’ ingenious solution

to a persistent problem.

Fish farmers noticed that on hot days,

the seawater would evaporate,

increasing its saltiness and killing the fish.

The resourceful engineers solved this problem

by directing freshwater into the ponds,

reducing the salt levels.

Despite their expense, the ponds ensured

a constant supply of fresh fish

for wealthy vacationers in Baiae.

But not all the seafood could be farmed in ponds.

Dicus: We'’re sailing out into the bay

to watch the mussel farmers haul up their load for the day.

Shellfish farming was an industry

as far back as the Roman times.

Today, they'’ve replaced oysters with mussels,

but incredibly, the technology really hasn'’t changed that much.

Narrator: The entrepreneur Sergius Orata is credited

with laying out the first artificial oyster beds

in the bay.

2,000 years later, this same technique is used

for mussel farming.

Dicus: Now, the Romans knew that a good oyster

had to be as fresh as possible,

and you needed to bring the source

as close to the consumer as you could.

Narrator: Sergius Orata claimed

that his groundbreaking farming method

produced the best oysters around.

Dicus: The process from the ancient texts

seems to be much the same.

It is written that the oysters at Baiae

hung undulating in the water.

Now, we can only take this to mean

that they were hanging on ropes,

much like we see underneath these buoys here in the bay.

So collection today is much more mechanical

than it was 2,000 years ago,

but it really is incredible

that this tradition has lasted for 2,000 years.

Narrator: The ancient Roman cookbook "Apicius"

suggests how the rich prepared their farmed seafood.

It features a recipe for a Baiaen casserole...

Oysters, mussels, sea urchins, and vegetables

topped with garum, a concoction of fermented fish

and salt, the Roman version of ketchup.

Delicacies like this casserole were affordable

for only the wealthiest residents.

Buono. Grazie.

Buon appetito.

Grazie. Buon appetito.

Narrator: To prove their wealth,

the rich would sometimes eat

a hundred oysters in one sitting.

Squisito. Squisito.

Mmm. Yeah.

There'’s such a great balance.

The seafood is so fresh.

It'’s possibly even the mussels that we saw

drawn out of the sea this morning.

I can imagine these wealthy Romans enjoying this.

This is a great reason to be at Baiae.

This food is wonderful. Oh.

Narrator: But there was a dark side to this excess,

and one emperor more than any other

was famous for his hedonism...


A cruel psychopath, he persecuted Christians

and, it'’s said, burned Rome to the ground.

Baiae was his escape,

where he can indulge in his sadistic fantasies.

Nero spent a fortune on lavish banquets here.

Dicus: This is exactly the sort of food

that Nero sought when he came to Baiae.

In fact, we have passages from the historian Tacitus

talking about this very thing.

Narrator: But these banquets weren'’t just about food.

They featured sex and debauchery.

He wouldn'’t have sat in these hills,

as we are today,

so much as sail around the coast

in these well-outfitted barges rowed not by sailors,

but by young male prostitutes.

Along the coast, he set up taverns and inns,

run by very respectable matrons

who played the part of innkeepers

and even prostitutes,

and he invited the entire town to participate,

as if inviting them to his own house

to enjoy in this party and this spectacle.

Narrator: Nero felt such a connection to Baiae

that he began to covet the villas of others,

including those of his own family.

Dicus: He couldn'’t wait to get his hands

on his Aunt Domitia'’s villa, for example,

with its magnificent fish ponds.

Narrator: The Roman historian Suetonius recorded the lengths

Nero was willing to go to

to gain possession of his Aunt Domitia'’s villa.

When she fell ill, an opportunity presented itself.

Dicus: Sick and bedridden,

she summons Nero to her bedchamber,

stroked his beard, and said,

"When you shave this off at your coming of age,

send it to me, and I will die a happy woman."

He looked at her and said,

"Well, I'’m gonna shave it off right now."

Narrator: The following morning,

she was dead, and Nero occupied her villa.

Dicus: Did he really murder his aunt for the villa?

It'’s difficult to say, but it is easy to see

that he'’d gained substantially from this tragic event.

Narrator: Nero now owned two villas,

his aunt'’s and the imperial villa inherited from Claudius.

Baiae became Nero'’s favorite playground,

where he could rule the empire

while living a lifestyle of extreme decadence.

But a catastrophic event hit the town

in the fourth century A.D.

Over half of Baiae gradually sank beneath the waves.

It was destroyed by its very location,

in one of the most seismically active landscapes on Earth.

Baiae is surrounded by 24 volcanoes,

including Vesuvius and Solfatara.

The pressure from the lava and the gases underground

caused the earth to move, with devastating consequences.

Formed around 40,000 years ago, Solfatara is still active today.

Jerram: You can see all around,

the ground is literally... It'’s almost like it's on fire.

It'’s breathing.

Just coming up here to just look at one of these fumaroles.


Come. Come a bit closer. This is brilliant.

Look at that.

You can see that this is almost like a window

down into the Earth.

You see, all of this rock has been covered

in a yellow precipitation.

This is sulfur. This is sulfur gases

coming off from deep within the Earth.

Below us in this volcanic system,

maybe about 3 or 4 kilometers, there'’s a magma chamber,

and that magma chamber is heating the ground,

but also gases are coming off that magma,

giving us this mineralization,

and that tells us that the system

is still pretty much active.

[Gas hissing]

This is almost like...

you can hear it.

It'’s like the volcano breathing.

That is absolutely awesome, isn'’t it?


Narrator: In the fourth century,

underground chambers of hot molten rock

and gases emptied, causing the ground above

to sink some 60 feet.

It'’s a process known as bradyseism,

a gradual rise or fall in the Earth'’s crust.

Half of the seaside town sank beneath the waves.

In the millennia since,

the underground chambers have slowly refilled

with lava and gases, raising the land

and bringing Baiae'’s ruins

closer to the surface of the water.

In the local fishing port, there is clear evidence

of this phenomenon.

Jerram: Now, the first thing...

is this first part of the ladder

is clearly very old.

It'’s probably been here for several...

maybe hundreds of years, even.

But as you go down,

what you can see is they'’ve actually had to put a new ladder

in place of the old one, and that'’s because,

if you look at this natural line in the rocks,

this is where the old shoreline used to be.

And in fact, they'’ve actually put bricks in place

to try and stabilize that shoreline

from erosion of the waves.

Narrator: The bricks mark the level

of the shoreline 30 years ago.

One can see the land has since risen by 6 feet.

Jerram: Excuse. There we go.

My foot is now on the present-day shoreline.

Narrator: The sinking that took place

in the fourth century is now reversing,

again driven by volcanic forces.

[Gas hissing]

These same forces are what made Baiae

so attractive in the first place.

Well, whenever you'’ve got areas like this

that are sort of rich in hydrothermal activity,

you get natural hot springs,

you get the groundwater heated up to the point

where it can actually flow as rivers of hot water.

If you can tap into that, you can make hot baths.

Narrator: These volcanic springs were harnessed

by Roman engineers to create thermal baths.

Dr. Candace Rice is an expert on Roman engineering.

Rice: What we have here is a channel

that'’s been quarried down through

to access the steam vents from the natural landscape.

And the steam would have come into the room

into what is known as a hypocaust.

These are a standard feature of Roman baths.

The floor is raised so that the steam can circulate

and provide heating throughout the entire room.

Outside of Baiae, rooms like this are heated

through the use of artificial furnaces.

But the beauty of Baiae

is that they'’re tapping into a natural resource.

Narrator: Ancient Rome was famous

for its many heated baths.

Most are now just ruins.

Only one, the Stufe di Nerone, or Nero'’s Boiler,

is still functioning 2,000 years later.

Rice: And they'’ve maintained the plan

of a standard Roman bath.

So you progress from a cold room

into the room I'’m standing in now,

which is the tepidarium, so moderate temperature,

and we can go through here into the caldarium,

or the hot room.

In many Roman baths, the caldarium

was the final stage of the bathing process,

but a few had an additional room,

a wet or a dry sauna,

and here we have an example

of a still-functioning Roman sauna.

Wow. You can really feel the heat coming off this.

Whoo. Wow. It is truly hot in here.

A very effective sauna. You start sweating immediately.

So, over here, you can actually see

the original Roman passageway,

which allows the steam from the hot springs under my feet

to heat the room.

This water comes in at 85 degrees Celsius,

and the heat is all natural,

so there'’s a limited amount that you can control.

It'’s actually unbearably hot in here.

Of course, you wouldn'’t come in fully clothed,

but I think it'’s time for me to leave.

Narrator: Baiae is home to the ruins

of what for centuries was known as the Temple of Mercury.

A splendid dome stands above

what was once the frigidarium,

the room where bathers cooled off after a hot sauna.

Rice: Wow.

In antiquity, this room would have looked very different.

The walls would have been faced perhaps with marble.

Uh, it would have been very bright

and teeming, of course, with naked men and women.

The Romans'’ ideas of nudity

were not the same as ours tend to be today.

And it would have been a very busy and loud atmosphere.

The echoing, even.

You can imagine if there were many people in here

all talking at the same time, it must have been quite noisy.

Narrator: The bath'’s revolutionary architecture

demonstrates Baiae'’s importance.

The temple was covered by what was

the largest concrete dome

prior to the construction of Rome'’s famous Pantheon.

Rice: Here in the playground of Rome'’s elites,

they wanted to experiment and see what they could do

with spaces and with concrete,

and this is a beautiful example of that.

And if we think of modern resorts,

say Las Vegas or Dubai, and think about

the kinds of buildings that appear there,

people are trying to outdo each other,

people are trying to produce crazy buildings,

and this is a design which then sticks

and makes it into standard Roman architecture.

Narrator: Like the Pantheon,

there'’s an opening at the top of the dome,

known as the oculus.

Rice: Its main purpose is, of course, to let in light,

and here in the space, the light would reflect off the water

and create a very visually stimulating environment.

It would have been quite spectacular.

It mimics a bit a grotto or a natural cave,

but it'’s, of course, completely artificial,

which is a very Roman thing.

Narrator: Despite the endless supply

of hot sulfurous water in Baiae,

potable water was scarce.

Clean water was essential for daily life,

but it was also needed for the grand fountains

that symbolized Baiae'’s wealth.

Rice: Isn'’t this fantastic? Wow.

Narrator: To guarantee a constant supply of freshwater,

the Romans built an incredible structure,

the Piscina Mirabilis.

In the first century A.D., it was the largest cistern

in the entire empire.

Rice: The cistern would have held

approximately 12,600 cubic meters of water,

which is really quite a lot.

Narrator: The freshwater was channeled in

from the Apennine Mountains, 90 miles away,

and stored here before being piped to Baiae.

Rice: The Piscina Mirabilis is fed by the Aqua Augusta,

which is one of the longest-running aqueducts

that we know from the Roman period,

and it then fills the cistern, this massive space.

We'’ve got 4 pillars across, 12 pillars down.

The floor and the walls are lined with a waterproof lining

that'’s made out of crushed ceramics

so that the water doesn'’t soak through the building materials.

That'’s particularly nice and visible here in the wet.

Ah, yeah. So you can see the brick and tile

that would have been crushed up to form the waterproof lining.

The fact that we have such a massive cistern here

is very indicative of the importance

of Baiae and the Bay of Baiae.

The water kept in the cistern would have supplied

the villas of Rome'’s rich and famous

and, of course, all of the emperor'’s.

Narrator: The Piscina Mirabilis and the Aqua Augusta

were vitally important structures for the area.

Nero'’s appointee to manage these waterworks

offers an insight into how he operated politically.

Dicus: The inscription is dedicated

to Lucius Cassius Cerealis.

He was eventually the Curator Aquai Augusti,

the curator, the caretaker of the Augustan Aqueduct.

Now, this office was incredibly important.

It held great power. Why?

Essentially, you controlled the supply of water

for all of the cities around the Bay of Naples,

including Baiae.

Narrator: The emperor would normally appoint

a high-ranking senator as curator,

but the inscription reveals Nero gave the job

to someone of a much lower status.

He is the son of Lucius from the Palatine tribe.

Immediately we know that Cerealis is not Roman,

he'’s not from this old noble Roman stock.

This is a foreign name.

He is the son, actually, of a freed slave.

Narrator: Why would Nero give

such an important and powerful job

to someone outside Rome'’s inner circle?

Dicus: Nero was increasingly becoming opposed by his Senate,

both his policies and his person.

Why not surround yourself with people you can trust,

whether they be freeborn or freed slaves?

It doesn'’t matter.

And if you trust them, you reward them

with high offices, great power,

and this is what he seems to have done with Cerealis.

Narrator: Here in Baiae, Nero was promoting

people he could control to positions of power.

But was Nero really able to govern the entire Roman Empire

from 150 miles outside the capital?

Underwater, archaeologists discover ruins

that show Baiae wasn'’t as isolated

as it first appeared.

The remains of a cobbled Roman road,

the Via Herculanea, have been identified.

Reconstructing the route,

the road leads out of Baiae, over a dam across the bay,

to the town of Puteoli.

Today, Puteoli is a tranquil fishing village,

but 2,000 years ago,

it was the main commercial port of Rome.

Rome'’s harbor couldn't dock large transport ships,

so Puteoli'’s natural harbor was essential

for importing goods into the capital.

Toner: Rome is heavily dependent on grain.

It imports about 250,000 tons a year of grain

to feed its huge population.

About a third of it comes in from Egypt,

across the Mediterranean,

and about the other two-thirds come in from North Africa,

all of it flowing into this great port.

But it'’s not just grain and boring stuff that comes in.

All kinds of exotic spices come in,

in particular pepper, which they come from--

they import from India, and it comes up the Red Sea

into Egypt and then again on to Italy.

But also in from China in the Silk Route,

so it comes in all the way into Syria

and then again across the Mediterranean into here.

So this is a port where all kinds of luxury items come in,

as well as the fundamentals of wheat and grain

that keep people alive.

Narrator: This was a hub of international trade,

with enormous amounts of wealth and people passing through.

And the Flavian Amphitheatre

shows how strategically important the area was.

Seating more than 30,000 people,

it was the third-largest theater in the entire Roman Empire.

Toner: What you really get a sense of here

is just the sheer size of this amphitheater.

If you went to a games

in perhaps a...a backwater province like Britain,

then you would expect to see some fairly low-budget animals.

You might get a couple of bears or some wolves

or perhaps a bit of deer hunting.

Narrator: An amphitheater of this size

would stage the very best the Roman entertainment industry

had to offer.

Spectacular gladiator shows were free to the public,

staged by wealthy senators

hoping to buy public opinion and votes.

Toner: You got spectacular lions,

perhaps even giraffes or antelopes,

the most exotic animals you could think of,

even hippopotamuses.

The floor itself would have had sand all over it

to soak up the blood,

and there were gallons and gallons of blood.

Narrator: Down below, the scale of the operation

is impressive.

Toner: Up above, the crowd only saw

the end product of all this lavish entertainment,

but down here, you get a real idea

of the huge logistical effort that went into providing

all of this fun.

These caves would have been full of cages with animals,

wild animals that were being lifted up into the arena,

and the cages would go up

by an elaborate system of ropes and pulleys and levers

that took them up into the arena.

And as you walked through here in the gloom,

you would have seen nervous gladiators

praying to the gods before they went up

for what could have been their final fight.

And every so often, the air would be filled

with the cheering of the crowd above

as they applauded another victim

of their love of gruesome entertainment.

Narrator: The success of the Roman Empire

depended on Puteoli.

Narrator: Nero'’s ambition was to connect

the port of Puteoli and Baiae to Rome

with a 155-mile canal.

Known as the Fossa Neronis,

it was one of the grandest engineering projects

of the ancient world.

It would have provided

a much-needed transport link

and given Nero a direct route

between Rome and his Baiaen villas.

Toner: It required so much labor

that Nero says that all criminals in the whole of Italy

have to be sent here to work on the plan to dig the ditch.

The ancient authors all condemned Nero'’s plan

as being absolutely ridiculous.

They say it'’s against nature,

it is impossible to build such a long canal.

And in the end, it'’s perhaps just another sign

of his increasing megalomania.

Narrator: Although Nero'’s canal was started,

it was never finished.

Nero'’s megalomania caused alarm in Rome'’s ruling class.

To escape their watchful eyes,

Nero is spending more time here in Baiae.

He often chose to stay with a friend,

who reputedly owned the finest villa in the area.

Dicus: Gaius Calpurnius Piso was a wealthy nobleman

and, like Nero, a passionate supporter of the arts.

With this in common, the two men were on friendly terms.

Nero was often a guest at Piso'’s villa.

It was perhaps more for the venue than for the company.

This was a magnificent villa.

Nero bathed here. He ate. He drank.

This was another home away from home.

He felt so at ease here and so comfortable

that he often walked around without his guard,

leaving himself open to attack.

Narrator: But Nero didn'’t know

about his friend'’s treacherous plot.

Piso wanted to kill the emperor

right here in his own villa and claim the throne.

While Roman texts describe the murder plot,

they do not reveal the location of Piso'’s villa.

The underwater archaeologists were determined to find it.

Dicus: With so many villas submerged

and so many others lost to history,

this seemed like a fruitless task.

Narrator: But they uncovered a decisive clue.

Dicus: Found in the courtyard of a massive villa

was this lead water pipe.

Now, it'’s just not any water pipe.

It has an inscription on it--

"el Pisonis," "of Piso."

This is the mark of the Piso family.

With this, we can actually identify

the very villa of Piso.

This was where Nero was a guest,

and this was where the conspirators

planned to kill him.

Narrator: Barbara is now mapping the villa

to get a sense of its scale and grandeur.

Davide: The garden of the Villa de Pisoni

is very big,

and this is only the garden of the villa.

We are swimming in the structure near the wall.

We had found the thermal complex

and a private jetty of the villa.

And this is important for us

because, thanks to this information,

these remains, we now know

that the villa was in front of the sea,

just on the coast.

Narrator: The mapping of the ruins

reveals a spectacular villa with opulent buildings

decorated by the finest mosaics and frescoes.

Set on vast grounds,

it had two bath complexes...

fish ponds...

and a private jetty to the sea.

Within the walls of this splendid villa,

Piso plotted the assassination and coup.

But at the last minute, he had a change of heart.

Dicus: After some reflection,

Calpurnius Piso rejected this plan.

Shedding Nero'’s blood in such a manner in his home

would defile this magnificent space.

The assassination would have to take place somewhere else.

Narrator: The delay cost Piso dearly.

When Nero learned about the conspiracy,

he ordered Piso to commit suicide.

This wasn'’t the first time Nero got blood on his hands.

6 years earlier, he took care of another rival,

his own mother.

Agrippina was a ruthless and ambitious woman

who schemed and murdered to get her son on the throne.

When it finally paid off, she had no intention

of fading into the background.

Dicus: This coin was struck

in the first months of Nero'’s reign.

It is remarkable in that it expresses brilliantly

the relationship that Nero had with his mother.

Now, Nero, at the beginning,

referred to her as Optima Mater, the best of mothers.

They here are represented as equals.

They'’re of the same size.

They'’re looking at each other, eye to eye.

There'’s a communication between them.

Of course, in Agrippina'’s mind,

she didn'’t see this relationship as equal.

She thought she was the one in charge.

And if it had been up to her,

it would have been Nero in the background

while she was alone sitting on the throne.

Narrator: 5 years into his reign,

Nero had had enough of his mother'’s interference...

[Thunder rumbling]

And they became locked in a brutal power struggle.

Dicus: Relations between Nero and his mother

had become so bad that Nero had to do something drastic.

She had to be out of the picture permanently.

But how do you get rid of your own mother?

Do you poison her?

This was, obviously, the family way,

but it had to look like an accident.

[Thunder rumbling]

Narrator: He invited her as the guest of honor

to a sumptuous banquet at his villa.

Dicus: At the end of the banquet,

Nero embraced her

and escorted her down to the port of Baiae.

She boarded this boat that Nero had rigged

to fall apart as it sailed away.

Narrator: Once at sea,

Agrippina'’s boat began to break apart,

and she struggled to stay above the water.

But her luck hadn'’t run out...yet.

Dicus: Agrippina was picked up by a passing boat,

dropped off on shore, and she made it to her villa.

Narrator: Meanwhile, Nero waited

for news of his mother'’s death.

Dicus: When he found out that she had lived,

he was in a panic.

What would happen if the Roman Empire

found out that he had tried to assassinate his own mother?

Narrator: Nero acted quickly.

He sent soldiers to her villa to finish her off.

Dicus: They break into her bedchamber,

strike her on the head, and she falls to the ground.

As they approached her, she opened up her shirt

and said, "If you'’re going to strike me, strike me here,"

pointing to the womb from which Nero came.

Narrator: A soldier stabbed her in the womb.

The deed was done.

Dicus: When Nero found out

that the assassination was successful,

he rushed to the body of his mother,

stripped it naked, and sort of pawed at the limbs,

analyzing some, complimenting, criticizing

this dead body in front of him,

eventually coming to the conclusion,

so the historians say,

"I never knew I had such a beautiful mother."

Narrator: Ultimately, Nero'’s murderous

and debauched lifestyle in Baiae caught up with him.

In 68 A.D., after a turbulent 13-year reign,

the Roman Senate ran out of patience

and declared him a public enemy.

Nero fled, and on June 9, 68 A.D.,

at the age of 30, he committed suicide.

Piecing together the clues, it'’s clear to see

how grand Baiae really was.

For the first time, we can imagine the sunken villas

and rebuild the resort

as it would have been 2,000 years ago.

It was a place dedicated to Hedonistic pleasures,

with thermal bath complexes,

ponds for breeding fish...

And sprawling villas set in beautiful gardens.

Inside, the villas were decorated

with magnificent water features, Greek statues,

and brilliantly colored frescoes.

This was Nero'’s sunken city.

Dicus: To Nero, Baiae represented everything

that he wished Rome was.

This was much more than a second home.

Now, he could bring the pleasures

that he experienced here and try to replicate them in Rome,

but really, there was no comparison.

At Baiae, Nero could engage in his hedonistic lifestyle,

he could take to the baths, enjoy the hot springs,

eat fresh oysters, have boat parties,

get drunk, have sex,

all of this away from the drudgery

of daily politics of Rome.


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