South Dakota's oldest operating brewery is housed inside a historic firehouse.

A monument celebrating the Black soldiers of the 9th and 10th Cavalry.

This Alamo Square mansion is rumored to have hosted satanic rituals and other occult practices.

This museum is dedicated to the cultural history of tobacco and salt, once monopolized in Japan.

Secret North Korean passage discovered below the world's most dangerous border.

The artwork mysteriously appeared within an Edinburgh cemetery.

One of Edinburgh's oldest pubs hides a 19th-century skittles alley in the back.

Possibly the world's largest hourglass only needs to be reset every New Year's Eve.

A corkscrew-shaped barn in Ireland.

This East German military command bunker was ready for World War III.

An old slaughterhouse now holds the largest collection of pig artifacts.

Enter the cabin of a life-sized Hindenburg replica.

Gardens representing parts of Asia, Europe, and the Mid East are tucked away among the Soviet-style buildings in East Berlin.