Istanbul is undoubtedly one of the most dynamic and exotic cities in the world. Once the capital city of three of the world's most powerful empires--The Roman, Byzantine, and Ottoman--its strategic location made it the perfect spot for empires to rise, fall...and rise again. Residents of Istanbul walk on top of remnants of these fallen civilizations...literally. Taxis drive over parts of Constantine's Lost Great Palace; children play on cobblestone streets concealing a massive Byzantine dungeon; a high school sits on a 3rd century wall leading to the bowels of a 100,000 seat ancient Roman Hippodrome; and basement's of old Ottoman homes lead to subterranean tunnels and secret cisterns. Join host Eric Geller as he leaves the buzz of the city streets behind and follows the pull of the past. Teamed with leading archeologists and experts, Eric peels back the layers of the past--to reveal a hidden history that hasn't seen the light of day for ages.

Constrained for space by a stone defensive wall and steep terrain, the people of Edinburgh build both high rises and subterranean dwellings to provide living space. Out of sight, the underworld attracts all manor of seedy activities.

This program reviews Adolf Hilter's and Albert Speer's plans for a building boom that would turn Berlin into the capital city of the world. The plan included substantial below ground ...

Much of modern Rome is built upon the foundations of the first century Roman city and was above Goraud at that time. Eric visits some of these ruins and his guides explain the activities that occurred there two thousand years ago.

Eric finds some knowledgeable guides to take him on a clandestine tour of the catacombs of Paris. Originally a limestone quarry, the vacant space produced its own utility and a rich history in war and in peace to hide things better kept unseen. But the catacombs also represent cracks in the foundation that threaten the stability of the city above the surface.

Budapest is built upon on network of natural limestone caves that have been in use since humans first moved into the area. While exploring the caves Eric shares their color history which includes several violent periods in Budapest's past.

New York City's underground harbors secrets and surprises befitting the most important city on earth. Eric shares these secrets in tours under Grand Central Terminal, the Empire State Building, the World Trade Center and New York's original aqueduct.

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.

The bombardment of Naples during World War Two revealed a forgotten underground world of ancient buildings, caverns and tunnels. This was fortunate because the underground provided shelter from the bombing as well as a window into Naples past all the back to the Greek Empire.

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.

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 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. He explores the criminal underworld below Portland, Oregon; Seattle, Washington; Chicago, Illinois; and Los Angeles, California.

Don Wildman explores deep below ancient ruins as he searches for clues pointing to the true fate of the once-mighty Mayan empire.

Welcome to Las Vegas, America's Sin City, where billions of dollars are lost and made every year on our national vices. In order to protect their cash, casinos have made security the highest priority. From underground vaults to secret surveillance nerve centers, we'll uncover how the latest technology beats the cheaters. But Vegas wasn't always this high-tech. We'll show how a massive engineering feat transformed the city from a barren desert into a mobster metropolis where thieves ran the show from underground tunnels dating back to Prohibition. And just when it looked like all the thugs were behind bars and the city would fall off the map for good, Vegas became the come back kid. It's the only city in the world where you can be in Egypt one moment and Italy the next, thanks to a secret underground that allows the show to get bigger and better every time.

He was the ringleader behind some of the most notorious murders in history. He terrified the world and plunged the city of Los Angeles into a state of paranoia and fear. He's Charles Manson, and the deserts around Los Angeles were his home... and he hoped the underground would be his haven. But Manson and his followers weren't the only things lurking beneath the streets of LA. We'll take you beneath the most congested streets in America, into the tunnels where corrupt cops ran the city in secret and the largest subway system in the world lays in waste. From earthquakes to UFOs, this city has to be ready for anything. But with military bunkers protecting our shores and subterranean disaster relief war rooms, LA's underground also holds the key to its survival.

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. English

Moscow is a city known for its ruthless leaders and abundant secrets. Today it's a modern metropolis, but far below its crowded streets lie the reminders of its war-torn past, and pieces of Stalin's terrifying legacy. This subterranean web is so vast, modern day Moscow is actually in danger of caving in. From tunnels used to hide from Stalin's blood-thirsty henchmen, to secret metro systems and hidden bunkers, Don digs deep into Moscow's past.

Deep within the former Soviet Union lies a classified, subterranean world of Cold War secrets. In Ukraine, which once had the world's third largest nuclear arsenal, Don ducks behind the Iron Curtain to reveal a how the Soviets were really preparing for a Nuclear War. From nuclear submarine bases to underground apartment blocks, these sites are so top-secret, they've never before been seen on American television.

For billions of people across the globe, Jerusalem is considered ground zero for Armageddon. And 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. Host Don Wildman has special access to a sacred stone said to keep the world from ultimate chaos, and finds evidence of John the Baptist's apocalyptic sermons... he's heading into a vast underground that ignited the violent visions of the end of the world.

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. From vice dens and top-secret railroad lines to sunken shipwrecks and the spark that created the A-Bomb, host Don Wildman unearths the true history of the Windy City.