The hallucinogenic center of the ancient world.

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

This exclusive resort has completely covered a tiny Balkan island in a 5-star warren of guest rooms.

A beautiful mountaintop mausoleum devoted to a Montenegrin icon can't seem to make everyone happy.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

A tiny church on a man-made island in the Adriatic.

Bridge that died in war and was resurected.

Oriental bazaar in the heart of Sarajevo.

The remains of the last Bosnian fortress to fall to the Ottomans are still standing.

Controversial site of what could be Europe's first pyramid.

A whimsical bridge adorned with decorative dragons.

A miniature train-ride through Slovenia's largest cave system.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

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

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

The fairy tale castle of the "fairy-tale king."

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.