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

A controversial artwork draws attention to the dark history of Prague's "Suicide Bridge."

A giant interactive periodic table with real samples of the elements.

A crucified and bearded female saint.

This spooky statue sits outside a famous Prague theater.

A saintly relic hidden in a Prague church basement.

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

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

This doorless 20th-century elevator doesn't stop or slow down.

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

This artificial cave looks like something out of a fairytale.

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.

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

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

This waterfall is one of the most spectacular natural features in the Scottish Lowlands.

Accessible only at low tide, the deserted island is dotted with World War II ruins.

The fountain marks the area where hundreds of accused witches were burned at the stake.