Mysteries of the Abandoned

A building in Colorado is still marked with bullet holes from a Wild West shootout between union members and state militia.

Notorious gunslinger John Dillinger once pulled off a daring escape from this unassuming jail.

A teenage girl in Korea is martyred in prison and becomes a national hero; the facility where she was held stands in remembrance of her bravery and the Korean struggle for independence...

This fortress once stood between the Ancient Roman and Persian Empires.

On a picturesque island off the coast of Brazil, this penal colony was once the site of a dramatic prisoner uprising.

In modern-day Turkey, on the coast of the Aegean Sea, archaeologists discovered hilltop ruins that are believed to be the site of one of the world's most enduring stories.

Conspiracies swirl around an abandoned military base in Long Island, where it's alleged that covert government experiments took place underground.

Remains of a grand vision become a symbol of excess in the Turkish capital.

Graffiti scratched into the walls of a military base on the British coast sheds light on a secret raid against the Nazis.

Formerly known as one of the toughest prisons in America, this massive complex was once home to medical experiments and a chaotic hostage situation.

In a California desert, a once glittering Hollywood hotspot gets converted into a top-secret interrogation center for POWs.

This spooky, unfinished amusement park serves a different purpose nowadays.

A Beatles legend builds a state-of-the-art studio on a Caribbean island.

Half-built castles stand as a whimsical reminder of a neighborhood that was supposed to feature thermal baths and panoramic views; the ambitious project came to an abrupt halt when the construction company began to face financial difficulties...

A porn baron dreams up a hedonistic paradise to avert nuclear catastrophe.