Istanbul is undoubtedly one of the most dynamic and exotic cities in the world. Once the capital city of three of the...

Constrained for space by a stone defensive wall and steep terrain, the people of Edinburgh build both high rises and ...

This program reviews Adolf Hilter's and Albert Speer's plans for a building boom that would turn Berlin into the capi...

Much of modern Rome is built upon the foundations of the first century Roman city and was above Goraud at that time. ...

Eric finds some knowledgeable guides to take him on a clandestine tour of the catacombs of Paris. Originally a limest...

Budapest is built upon on network of natural limestone caves that have been in use since humans first moved into the ...

New York City's underground harbors secrets and surprises befitting the most important city on earth. Eric shares the...

For thousands of years London has been among the most powerful cities in the world, below the busy streets and market...

The bombardment of Naples during World War Two revealed a forgotten underground world of ancient buildings, caverns a...

Discover the fascinating and unknown history that lies below major cities around the world today. Explore these layer...

Visit the city of Bucharest, Romania and learn about its most famous citizen, Vlad the Impaler, more commonly known a...

4000 years ago, a mysterious pagan society called the Hittites dug deep into the soft volcanic rock to carve out an i...

100 years ago Portland, Oregon was a city full of vice, considered the most dangerous port in the world. It was a pla...

What was the secret to the success of ancient Rome? Aqueducts, underground neighborhoods and one of the oldest sewer ...