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Cities Of The Underworld

Cities Of The Underworld

In major cities around the world today, skyscrapers loom overhead, taxis honk their horns and street vendors peddle their wares. But below lies city upon city - each with its fascinating and unknown history. This series will explore these layers, which are often hundreds of feet deep, and examine a city's ancient cisterns, dank dungeons, eerie tombs, clandestine hideouts, and even underground shipwrecks that have been lost for hundreds and hundreds of years. What are the underground layers of the most populated cities on earth? And how did (and do) engineers build layer upon layer up to today's city streets? This series will reveal the technological marvels that allowed the construction of one city upon another - literally.

Cities Of The Underworld
Tunnels Of Hell (Okinawa)
The largest naval armada in U.S. history descended on the Japanese island of Okinawa in 1945. Much of the battle was from the beehive of combat tunnels to the caves where thousands of civilians hid.
Alcatraz Down Under (Sydney)
Built on the backs of convicts, gold miners and outlaws, Australia forged its freedom from the depths of the underground. Explore Australia's Alcatraz, the 19th century prison that kept Sydney's criminals.
Under The Rock (San Francisco)
From the secret Civil War fortification buried beneath Alcatraz to the human trafficking tunnels winding below Chinatown, San Francisco's underground is evidence of its sordid past.
Land Of Manson (Los Angeles)
We'll take you below the most congested avenues of this classic American city, into the tunnels where corrupt cops secretly ran the city, and where the largest subway system in the world lies in waste.
Secrets Of Sin City (Las Vegas)
Welcome to Las Vegas, America's Sin City where casinos have made security their highest priority. Uncovers underground vaults, secret surveillance nerve centers, and how the technology beats the cheaters.
Tomb Of The Lost Mummies (Cairo)
The Step Pyramid reveals hidden insights into how the Pharaohs died. Cairo is a city of the living and the dead, with its darkest secrets hidden in the tunnels of the ancient underworld.
Secret Holy Land (Ethiopia)
Ethiopia is home to some of the oldest settlements in the world. From tombs of vanished emperors to subterranean cathedrals, clues to Ethiopia's lost legends are littered in the African underground.
Real Mafia Underground (Sicily)
Travel to Sicily to trace the mafia's roots back to when they were a vigilante secret society. Follow the escape route of a most-wanted mob boss through ancient subterranean waterways.
Hitler's Trenches (Belgium)
Explore the subterranean web where the Allied soldiers waited to ambush the enemy, to the indestructible fortress. Discover the underground that made World War I one of the most brutal wars in history.
Gods Of War (Troy/Turkey)
Turkey has a history marked by conquerors and empires vying for control of the trade routes. Uncover the truth of how a nation at war turned underground for its only means of survival.
Gladiators: Blood Sport (Naples/Rome)
From the depths of the magnificent Flavian Amphitheater, to the buried brothel where the gladiators of ancient Rome lived their last days, these are the secret lives of Rome's famed slave warriors.
City Of Blood (London)
From serial killers to pagan rituals, Victorian Londoners lived by their own rules both above and below ground. Don explores London from the bottom up and tells the stories most would rather remain buried.
Barbarians Lair (Western Europe)
After the fall of the Roman Empire, Europe was plunged into chaos for centuries. However, below the streets was another world designed to keep the people alive and the enemy guessing.
A-Bomb Underground (Tokyo)
Tokyo, Japan is a city straight out of the future, above ground and below. From there, we head back in time to WWII to see how Hiroshima's underground offered protection from the most powerful bombs.
Hitler's Last Secret (Prague)
Prague is a mysterious city, with an underground to match. From quarries to mines, Prague has stories to tell. We reveal the technological marvels that allowed the construction of one city upon another.
Viking Underground (Dublin)
Dublin is much more than a city full of pubs and pints. Burial tombs and defense tunnels line the underground below. Even an underground river runs through the heart of the city where we least expect it.
Stalin's Secret Lair (Moscow)
We reveal how the Soviets were really preparing for a nuclear war and discover a classified, subterranean world of Cold War secrets from nuclear submarine bases to underground apartment blocks.
Underground Apocalypse
From a hidden occult city to the hiding place for the Dead Sea Scrolls, the evidence of the apocalypse is buried over Jerusalem.We head into the underground that ignited visions of the end of the world.
Prophecies From Below (Jerusalem)
Jerusalem is at the heart of prophecies. Join us as we peel back the layers of this sacred subterranean landscape to uncover an ancient escape route, a secret bullet factory, and the birthplace of Jesus.
Prophecies From Below (Jerusalem)
Jerusalem is at the heart of prophecies. Join us as we peel back the layers of this sacred subterranean landscape to uncover an ancient escape route, a secret bullet factory, and the birthplace of Jesus.
Mob Underground (Chicago)
Chicago was once a playground for mobsters and corrupt politicians. From top-secret railroad lines to sunken shipwrecks and the spark that created the A-Bomb, we unearth the history of the city.
Mob Underground (Chicago)
Chicago was once a playground for mobsters and corrupt politicians. From top-secret railroad lines to sunken shipwrecks and the spark that created the A-Bomb, we unearth the history of the city.
Maya Underground (Belize)
Belize was the nerve center of the Mayan civilization. We duck below the jungles of Belize to uncover burial tombs, sacrificial altars, ritualistic caves and the literal entrances to the Mayan underworld.
Katrina (New Orleans)
We examine a city's ancient cisterns, dank dungeons and underground shipwrecks that have been lost for hundreds of years. How did engineers build layer upon layer up to today's city streets?
Secret Soviet Bases
Underneath the former Soviet Union lies a classified world of Cold War secrets. In Ukraine, we duck behind the Iron Curtain to reveal how the Soviets were preparing for a Nuclear War.
New York: Secret Societies
Today, New York is the biggest city in US but it's got some dark secrets in its past. From a hidden Freemason tunnel to mobster hideaways, we're uncovering the secret societies that built New York.
Washington Dc: Seat Of Power
Washington D.C. is headquarters for one of the most powerful governments in the world. Learn about what goes on underneath and discover the underbelly of Capital Mall and DC's subterranean defenses.
Istanbul
Istanbul is where the past and present collide. Today its residents are walking on top of remnants of fallen civilizations literally. We reveal a hidden history that hasn't seen the light of day for ages.
Rome's Hidden Empire
Rome had some of the most infamous rulers. Each one had left their mark on the city and left remnants of his reign underground. Discover what life was like during Nero's tyranny and Augustus' reforms.
Catacombs Of Death (Paris)
Paris is Europe's 'City of Lights' but an alternative world thrives in the shadows of this city. Access to this dark underworld where both the secrets of the living and the sins of the dead are revealed.
London's Lost Cities
For thousands of years, London has been among the most powerful cities in the world. Discover the subterranean secrets below London's most famous landmarks and find Winston Churchill's hidden war rooms.
Dracula's Underground
Around the city of Bucharest, Romania is ripe with tales of the unknown. Its most famous tale is of the real-life Dracula, also known as Vlad the Impaler, who once ruled this land with a bloodthirst.
Hitler's Underground Lair
Berlin, Germany was the battlefield of the 20th century. Walk anywhere in the city and you could be walking directly on top of one of the over 1000 Nazi bunkers engineered into Berlin's sandy soil.
Scotland's Sin City
Edinburgh is a thriving metropolis in the heart of the United Kingdom. From plague victims getting buried alive under the streets to body snatchers, Edinburgh's underground has many stories to tell.
Beneath Vesuvius (Naples)
Neapolitans have carved out their underground, creating a parallel world where their secrets are safe. Neighborhoods line the underworld, time capsules of ancient life - with banks, bakeries and homes.
Freemasons Underground
From the whispers of hidden tunnels and tombs beneath Boston, to the incredible waterworld still intact under Philadelphia, the legendary secret society has left behind the blueprints to America's rise.
City Of Caves (Budapest)
The caves beneath Budapest were formed during the ice age. Uncover a top secret WWII hospital and find the source of the boiling healing water used by both the Romans and the Turks in the city of caves.
Secret Pagan Underground
4000 years ago, a mysterious pagan society dug deep into the soft volcanic rock to carve out an intricate underworld. But after 800 years, the society vanished without a trace. Where did its people go?
Underground Bootleggers
Venture beneath the modern streets of Portland, Oregon into a covert world of slave tunnels, gambling dens and an ingenious modern water system that literally keeps the city from drowning in its own filth.
Rome: The Rise
How did ancient Rome achieve its greatness? From underground neighborhoods and the oldest sewer systems to aqueducts and underground theaters, the secret to its success can be found below the streets.