Potato-peeling mannequins, Inca art, and a dangling tuber mobile help trace the history of fries at this Belgian museum.

A fantastical bed and breakfast with magically unique rooms.

Hiding the longest subterranean river known in the world.

Part modern art project, part traditional chapel, this see-through church is only substantial from the right angle.

This spire on an Austrian mountain is wrapped around a long spiral slide and has the world's tallest wooden observation deck.

A breathtaking viewing platform over the Alps.

Resting in the middle of an Austrian river, this sci-fi "island" lets people cross in neon style.

American soldiers discovered Europe's best one-liner at the end of World War II.

This series of underground chambers contains Europe's largest subterranean lake that is slowly drained each day.

Visitors dip into a variety of pools of what was once ice.

An Austrian house of bones filled with hundreds of intricately painted skulls.

The largest ice cave in the world is thought to be the entrance to hell according to Austrian legend.

Where beer lovers can literally immerse themselves in beer.

This museum promotes informed contraception by documenting its often secret past.

Macabre museum devoted to historical Viennese murders.

The beautiful baroque library of the Hapsburg empire.

This former insane asylum now holds a pathological anatomy museum.

The long underground cave's curiously shaped stalagmites have inspired many legends.

From dragonfruit to mangoes to durian this Thailand resort allows guests to stay inside all manner of giant fruit.

A condom-covered Thai restaurant that is more concerned with birth control than food.

You can walk up Thailand’s naturally non-slip waterfall.

Eat like a bird in a bamboo nest.

A limestone wonderland of water and subterranean secrets.

Stunning wetlands ablaze with pink lotus flowers.