Thirty creepy ghosts now inhabit this decaying 14th-century church.

Two monstrous faces loom over a village in Czechia.

Dedicated to the unsung history of human waste.

This bar and museum are devoted to the controversial comic book work of Kája Saudek.

This walkway is so narrow it needs its own light to stop pedestrian traffic jams.

Street artists transformed an abandoned air vent into the beloved Star Wars robot.

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

The first museum in the world devoted to sexual gadgetry.

Walk through Czech history in Prague's largest graveyard.

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

A hidden art gallery in an abandoned Warsaw fort.

A program of Communist glamour in post-Stalin Poland is preserved in this colorful museum.

This uber-quaint Polish village is known for its habit of painting elaborate floral motifs on just about everything.

The site of the first battle of World War II.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

Countless stories attempt to explain Poland's mysterious J-shaped trees.

The walls and ceiling of this Polish church are decorated with thousands of skulls, with another 21,000 skeletons just below.

The world’s narrowest house makes for an awkward, four-foot-wide living space.

Naturally formed rock city in Poland.

Communism's topsy-turvy effect on Poland has been brought to life in this wacky tourist trap.

A collection of old neon signs from all over Poland line a secluded courtyard.

The final resting place of more than 200,000 people, this is one of the largest cemeteries in Europe.

Brought to you by the makers of fiberglass dinosaurs.

On this Polish road, an optical illusion makes cars seem to roll uphill.