An Orwellian sculpture with eyeball cameras watches passersby.

A saintly relic hidden in a Prague church basement.

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

This artificial cave looks like something out of a fairytale.

A mocking tribute to the past and modern leadership of Prague.

The tunnel's elegant proportions keep you snug with no claustrophobia freak-out.

An old asylum graveyard that's been abandoned for half a century attracts those seeking a dark thrill.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

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

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

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

The first museum in the world devoted to sexual gadgetry.

Walk through Czech history in Prague's largest graveyard.

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

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

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

Macabre astrological automaton clock dating to the late 1400s.

Two stunning 17th-century libraries and a cabinet of curiosities.

Come stay at a live-in art installation.

The abandoned remains of this Victorian brewery hide crumbling bowling alleys and rusting industrial gear.

The music is over at the Ballhaus Riviera Ballroom, but the ballroom remains in haunting disrepair.

Fall down the rabbit hole into a surreal journey of human consciousness "from ass to soul."

An abandoned swimming pool decays on the outskirts of Berlin.

The final resting place of many of Germany's most famous communists.