Journey beneath the streets of Istanbul and discover the hidden world left by the Romans, Byzantines and Ottomans.
Bonus additional scenes from Season 1.
Travel beneath the streets of Edinburgh and discover what has been forgotten, including the remains of body snatchers and outlaw distilleries.
Go beneath the streets of Berlin and unearth the remains of the Nazi bunkers.
Discovering what life was like during Nero's tyranny and Augustus' reforms; host Eric Geller.
Snaking quarries, hidden catacombs and mushroom-harvesting tunnels lie beneath the city of Paris.
Explore the caves beneath the city of Budapest, Hungary.
Explore beneath New York City, a living, breathing complex of engineering, history and secrets that could only exist in America's largest city.
For thousands of years London has been among the most powerful cities in the world, below the busy streets and marketplaces another city hides--a city of Roman baths, secret crypts, lost rivers, indestructible bunkers that could hold up to 8,000 people, Winston Churchill's hidden war-rooms; host Eric Geller.
Naples, Italy narrowly escaped meeting the same fate as its neighboring city, Pompeii in 79 AD when Mount Vesuvius wiped out everything around it. The wind saved Naples that day, but life in the shadow of this massive volcano is unlike any other--and so is its underground.
Discover the fascinating and unknown history that lies below major cities around the world today. Explore these layers, which are often hundreds of feet deep. Discover everything form dank dungeons to underground shipwrecks that have been lost for centuries.
Visit the city of Bucharest, Romania and learn about its most famous citizen, Vlad the Impaler, more commonly known as Dracula. Travel underground as secret prisons, caves and dungeons are revealed. Only through the bleak subterranean stretches can one come face-to-face with the truth about this infamous Romanian ruler.
4000 years ago, a mysterious pagan society called the Hittites dug deep into the soft volcanic rock to carve out an intricate underworld. But after almost 800 years of rule, the Hittite Empire vanished without a trace. Where did their people go and what clues have they left behind in their complex subterranean world?
100 years ago Portland, Oregon was a city full of vice, considered the most dangerous port in the world. It was a place where you could get drugs or booze or wake up trapped in a cell beneath the earth.
What was the secret to the success of ancient Rome? Aqueducts, underground neighborhoods and one of the oldest sewer systems reveal many secrets. The largest and most influential empire in history leaves clues to her greatness under nearly every street.
For billions across the globe, Jerusalem is considered ground zero for Armageddon. While most of the world's population considers it a holy land, it's also one of the bloodiest cities the world has ever known. From a hidden occult city built by the Knights Templar to the hiding place for the Dead Sea Scrolls, the evidence of the apocalypse is buried all over the holy city.
See a Vietnam that you've never seen before. During the Vietnam War the media flooded the world with images of soldiers and jungles. What wasn't seen were the tunnels, caves and passageways.
Tokyo, Japan is a city straight out of the future, above ground and below. Go beneath the busy streets to see the latest technology that will save the city from the many natural disasters ready to strike. From there go back in time to World War II to see how Hiroshima's underground offered protection from the most powerful bombs.
Dublin, Ireland is much more than a city full of pubs and pints. Burial tombs, defense tunnels, and mysterious burial crypts line the underground below the rolling hills.
Prague is a city cloaked in mystery, with an underground to match. Medieval castles line the streets & dark dungeons lie deep below them. From quarries where Hitler may have stored his secret weapons to mines that doubled as Communist slave camps, Prague has surprising stories to tell.
Visit the center of Mayan civilization. Hundreds of ruins scatter the landscape & reveal clues to bloody rituals, advanced architecture & belief in an unforgiving underworld of Mayan gods.
Chicago was once a playground for mobsters and corrupt politicians. It wouldn't be the third largest city in the U.S. today if it weren't for the shady dealings that went on just beneath its streets.
The ancient world was shaped by people who believed they foresaw the will of God. Jerusalem is at the heart of all their fiery prophecies. From bloody wars to the birth of saviors, Jerusalem has been at the center of prophetic revelations.
New York City is the biggest city in the country, but it's got some dark secrets. Founded by covert groups, overrun with gangs and mob bosses, and ruled by secret societies, this is the true foundation of the city that never sleeps.
A look underneath Washington D.C., including the national defense and the areas which have been created which are intended to keep the country safe from wars and natural disasters. Included is a look at secret bunkers and the world created below the Capital Mall.
A look at the underground of Moscow, including the areas relating to the Cold War and Stalin's ruthless reign. Includes a glimpse of hidden bunkers, escape tunnels used to hide from Stalin's henchmen.
The New Orleans underground after Hurricane Katrina
Deep within the former Soviet Union lays a classified, subterranean world of Cold War secrets.
The third-season opener explores Victorian-era London, when hard times forced many to take extreme measures to procure food and shelter.
Exploring the Japanese island of Okinawa and its complex system of subterranean tunnels, caves and bunkers that was used during World War II.
Underground Sicily and the origins of the Mafia are explored. Included: the escape route of a mob boss; a bone crypt; and bunkers used during World War II by the Axis powers.
Underground Las Vegas is explored. Included: secret surveillance centers for casinos; underground vaults; and tunnels used during the Prohibition era.
Underground Belgium is explored, focusing on the trenches and tunnels of World War I.
Exploring life beneath the streets in Europe after the fall of the Roman Empire.
Underground Los Angeles is explored. Included: Charles Manson's subterranean hideaways; tunnels used by corrupt cops; the subway system; and military bunkers.
Ancient Rome is explored, focusing on places associated with gladiators, including the Colosseum, brothels and crypts. Also: a school where gladiators learned how to fight and survive.
Underground Ethiopia is explored. Included: tombs of emperors; subterranean cathedrals; and the palace of the Queen of Sheba. Also: theories regarding the possible resting place of the Ark of the Covenant.
Underground San Francisco is explored. Included: an ammunitions depot; a former repository for nuclear missiles; Civil War fortifications beneath Alcatraz; and tunnels below Chinatown.
Underground Cairo is explored, focusing on ancient structures that have withstood time and countless invasions. Included: a step pyramid built a century before the Giza pyramids; and a tomb containing 2000-year-old mummies. Also examined: the Book of the Dead.
Underground Turkey is explored, focusing on the remnants from invasions and travelers on the trade routes. Included: the lore of the Trojan War.
Underground Sydney is explored. Included: a 19th-century prison; caves that were once home to fugitive outlaws; gold mines. Also: a secret World War II storage place for chemical weapons is toured by those who once worked there.
Don Wildman explores deep below ancient ruins as he searches for clues pointing to the true fate of the once-mighty Mayan empire.
Don explores top-secret military and government tunnels and looks into classified technology that could be used to build entire cities...right under our feet.
Don uses brand new mapping technology to expose the dark and deadly uncharted spaces beneath American cities.
Don goes deep beneath the great lakes and explores flooded caves as he searches for evidence of a mysterious, cave-dwelling society that may have been the first people to reach America.
Don explores newly discovered ruins and caves in Croatia as he uncovers the true story of a formidable queen who dared to defy the powerful Roman Empire.
Don goes deep beneath a Knights Templar stronghold in Turkey to explore a provocative theory that may link the fabled secret society to the founding fathers of America.
Don explores the massive underground cities in the mountains of Turkey that may have been home to the first civilization on Earth.
Don follows the clues hidden underground as he searches for evidence of 10,000 Aztecs who fled Mexico and disappeared somewhere in America.