A Bulgarian monument to Russia's role in World War II is constantly being painted in pop culture protest.

A vast Communist-era exhibition space in the Bulgarian capital.

A dream-like maze full of strange art, surreal spaces, and fantasy landscapes to get lost in.

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

These 17th-century mummies are no longer naturally preserved, but remain on display today.

Enormous sandstone towers loom within a Czech forest.

This spooky statue sits outside a famous Prague theater.

The risqué mixed-media sculptures are supposedly a metaphor for Czech politics.

Buried five stories underground, this Soviet bunker is packed with gas masks and Cold War paraphernalia.

Walk through Czech history in Prague's largest graveyard.

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

A steampunk-styled three-floor factory churning out art, activism, and electronic beats.

The first museum in the world devoted to sexual gadgetry.

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

Skeletons dressed in extravagant 18th century royal costumes cavort in the aisles of this German basilica.

This German bone house contains the remains of some 20,000 souls.

A church filled with the bones of hundreds of virgins martyrs—or so they say.

The mystery of the Putim Ossuary involves a tricorn hat.

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

Mummified monks and the accidentally interred, in a 17th-century crypt.

It's said to be one of the most significant collections of contemporary Chinese art in the world.

The decommissioned station is now a museum packed with antiquated hydroelectricity artifacts.

Bomb tests and sheep ranchers share the world's largest military land base.

The world's tallest shot tower—maybe.