A mammoth WWII anti-air defense tower has been repurposed as a hotel with a rooftop garden.

Elaborate tile work in this railway station tells the story of Portugal.

This once-derelict building is now one of the most beautiful bookstores in the world.

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

This micro-nation may be some sort of prank, but its constitution sure seems official.

A statue honors the children who fought Nazis in Poland.

This century-old grotesque has a mysterious history and may not actually be a rabbit.

This gorgeous space is England's largest independent library outside of London.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

This medieval castle is filled with an eccentric collection that ranges from ancient Egyptian artifacts to taxidermy to a mummified hand that was cut off during a duel.