Rich in legends and folklore visit the city of Bucharest, Romania and learn about its most famous citizen, Vlad the Impaler, more commonly known as Dracula. In and around the city of Bucharest, Romania is ripe with legends, folklore, and tales of the unk...

New York is the biggest city in the country...but it's got some dark secrets in its past.

Hundreds of ghost stories lurk in the shadows of London, England, but behind every myth and legend is the terrifying truth that sheds light on one of the darkest periods of this city's history.

Edinburgh, Scotland is a metropolis, but take a look into its past, and you'll find it has led a double life. A sophisticated and educated surface city evolved above while a darker world grew below.

New York is the biggest city in the country... but it's got some dark secrets in its past. It was founded by covert groups, overrun with gangs and mob bosses, and ruled by secret societies.

Berlin, Germany was the battlefield of the 20th century, and today, sealed up and forgotten beneath its streets are the remnants of a dark past. Find out more in Season 1, Episode 2, "WWII Underground Lair."