Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Macabre astrological automaton clock dating to the late 1400s.

A luxury hotel housed in a former 15th century Gothic church.

Crouch down, stretch tall, and be sure to flail your legs to pay homage to the Monty Python classic.

As the highest point in the Mid-Atlantic range this stratovolcano offers spectacular views.

This abandoned five-star hotel is now a five-star urban exploration destination.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

Metro station with a claim to rock n' roll fame.

Cold war icon and onetime "hole" in the iron curtain.

Hiding the longest subterranean river known in the world.

This centuries-old gothic monster has been converted into a sprawling, glossy bookstore.

The ruins of this Dutch castle sit atop a labyrinth of once-secret tunnels and passageways, dating back over 900 years.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

Flashy signs from Las Vegas’s past find their final resting place at this unusual graveyard.

This fairy tale forest hides scenes from some of the more obscure and bizarre Western nursery stories.

A UFO-shaped event building originally intended to be a science museum showcasing the future.