This community on a small Venetian island has taken to painting their houses in bright neon hues.

The hallucinogenic center of the ancient world.

Monasteries on rock pillars, once accessible only by frayed ropes.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

The "dragon babies" of southeastern Europe.

This abandoned Slovenian military barracks has become a punky-political art squat.

A whimsical bridge adorned with decorative dragons.

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

This modern, multimedia museum takes visitors on an evolutionary journey back in time.

An ancient knight and a symbol of the city's freedom.

Island wonderland for communist autocrats.

When a supermarket opened up shop within a medieval building it became protected by UNESCO on a technicality.

Oriental bazaar in the heart of Sarajevo.

There's a mini version of Iguazu Falls hidden in the Balkans, and it's got a rope swing.

Bridge that died in war and was resurected.

This Croatian fairytale castle is slowly falling apart thanks to years of neglect.

Where the lovelorn find a home for their sentimental keepsakes.

A musical instrument played by the sea.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

This Hungarian stilt village is built in a lake that never freezes over due to the power plant that that uses it as a cooling pond.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

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

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

This massive subterranean fissure is known as the "underground Grand Canyon."