A spiral staircase twists to the top of this unusual Czech lookout tower.

What looks like a crashed Zeppelin is actually a bright, airy reading room perched atop a modern museum.

This charming wooden church was disassembled and moved not once but twice before settling in this Prague garden.

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

Europe's largest natural bridge has a 19th century royal chateau built into its side.

Two monstrous faces loom over a village in Czechia.

This artificial cave looks like something out of a fairytale.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

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

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

This Prague museum collects brutalist relics and memories from the country's former Soviet rule.

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

What looks like a suicide in progress is actually a statue of Sigmund Freud.

The first museum in the world devoted to sexual gadgetry.

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

Walk through Czech history in Prague's largest graveyard.

The hidden lair of an alchemist rediscovered in a 2002 flood.

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

A Jenga-style cylindrical tower of books that appears to go on forever.

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

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

This virtually windowless mass of smooth concrete is the only Catholic church in the city.

This memorial to local World War II heroes is slowly being reclaimed by nature.

Its frescoes depict the likeness of Marshal Tito, Karl Marx, and Friedrich Engels burning in hell.