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

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

A surreal statue honoring Prague's favorite literary son.

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

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

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

Tourists often confuse this beautifully ornate former cigarette factory for a mosque.

French sculptor Paul Moreau-Vauthier transformed the site of a 19th-century massacre into a haunting memorial.

Volkswagen's dedicated museum dives into the complex history of one of the world's best known cars.

Böttcherstraße's bells, extolling Nordic virtues and the great conquerors of the world.

A stunning gilt bronze relief denounced by Hitler as "degenerate art"—even though it was dedicated to the Nazi leader.

The real life town from the Pied Piper of Hamelin has a mechanical puppet show that retells the famous story many times a day.

Striking occult iconography on a medieval German church.

This gateway to subterranean Hanover plays jazz, pop and rock to surprised passersby.

After this historic church was destroyed by World War II bombing, its blackened shell was left standing as a monument.

Rich with fauna and flora, nature-lovers can walk across the sea at this UNESCO World Heritage spot.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

Visitors flock to the historic birthplace of radiobalneology for its therapeutic radium treatments.

A larger-than-life statue of the German revolutionist stands proud in a small town where he never lived.

Towering sandstone rock formations where 'The Chronicles of Narnia' was filmed.

Tall columns of volcanic basalt make up this improbable-seeming rock formation.

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

Before serving as James Bond's Casino Royale, this Victorian-era spa catered to the world's elite.

The Church of the Annunciation was carved into the face of a cliff, just like the rest of the town of Haute-Isle.