Bell tower juts out from a village buried under a lake.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

Go inside to really appreciate this 500-year-old technological masterpiece.

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

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

A majestic lion statue guards this Parisian botanical garden, and feeds on an unsettling item.

These "anatomical machines" are only one of the many strange items in this Italian crypt.

Founded as a refugee camp, now a popular tourist spot.

Crumbling necropolis set high above Fez.

The oldest known university in the world is in Fez, Morocco.

Traditional 11th-century outdoor tannery.

Vast stretch of tide-pools with a unique Moroccan charm.

Romania's triumphal arch looks out over Bucharest.

A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.

Commonly acknowledged as the only public monument to the Devil himself.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

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

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

A whimsical bridge adorned with decorative dragons.

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

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

Baroque celebration of the end of the Great Plague of Vienna.