This one-time health resort was used by aristocrats around the world.

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

Go surfing on this urban wave, "hacked" by local surfers.

Housed in an old church, this hunting museum holds a collection of mythical bird-rabbit creatures.

The footprint of a frustrated devil in Munich's Cathedral.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

This lurid German fountain plots the sad course of marriage from dating to death.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

The small alleys in Lübeck's Old Town are a result of medieval urban sprawl.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

Christ's blood allegedly preserved in a Belgian town.

The Devil’s own choice when he needs a drink in Brussels.

A little sculpture with a large wardrobe.

Climb inside an iron crystal magnified 165 billion times its normal size.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Limestone caves in the Cambodian countryside, once the site of genocide, now a place of peaceful beauty.

A battle between nature and architecture in the Cambodian jungle.

5,000 skulls in memorial to those killed by the Khmer Rouge.

Khmer Rouge's high security prison.

A harrowing trail up a mile-high mountain.

The once highest point in China blends symbolic design with a kick of adrenaline.

A son-and-daughter meat market, hawked by mom and dad.

This ratty natural history collection is a charming relic among a city rushing into modernity.