This once-derelict building is now one of the most beautiful bookstores in the world.

The majority of the highest mountain in Poland is actually located in a different country.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

Microscopic scenes; some call it novelty, some call it art.

Countless grotesque faces stare out from this eerie Prague art wall.

A collection of anatomical samples from one of the first anthropologists to suggest that humans reached North America by crossing the Bering Strait.

A church of bones, decorated with 40,000 human skeletons.

This Nazi-built amphitheater was constructed on a sacred mountain site used by various German cults.

One of the largest amphitheaters in Europe is a former Nazi gathering place that still stands today.

No one really knows how these old hobby horses got here, but the herd keeps growing.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

Europe's second largest ossuary wasn't discovered until 2001.

Underneath this small church are 15,000 bones, arranged by an obsessive academic.

Two monstrous faces loom over a village in Czechia.

"World machine" built by an untrained Austrian farmer.