Cities of the Underworld

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 Ottom...

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, t...

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 grou...

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 acti...

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 ric...

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...

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 St...

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...

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...

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 f...

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 dung...

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 Hi...

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 c...

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 e...