Inside a former cabaret, seven floors of erotic art.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

Museum on earth sciences featuring a recreation of a famous curiosity cabinet.

From toys to kettles to scientific instruments, this German museum celebrates the beauty of 20th century design.

This abandoned airplane hanger is said to have once been a top secret launch facility.

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

A war-torn Olympic relic is being overtaken by graffiti and nature.

Bridge that died in war and was resurected.

A wonderfully strange collection of 500+ stuffed frogs doing people things.