This airport currywurst stand is made out of retro airplane parts.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Mountain where Jesus was first tempted by the Devil.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

The first mechanized factory in Spain is also one of the most significant mints in the history of money.

A medieval village holds a very modern hotel.

These crumbling Nazi artillery bunkers are now fair game for massive graffiti projects.

A collection of weird and wonderful art fills a former houseplant nursery.

A complex, nine-layer maze on the grounds of a Venetian doge's playground.

This war memorial holds the remains of around 20,000 World War I soldiers from both sides of the conflict.

A bright little alley in La Boca is a part of tango history.

The former home of a mad diplomat is said to still be marked in bloody, arcane scrawls.

Amidst medieval and baroque buildings, five human-sized gherkins stand tall.

This clifftop arch is a natural stunner.

The prison where Hitler wrote "Mein Kampf," and 278 Nazis were later executed for war crimes.

A graveyard and memorial chapel for victims of leprosy.

Macabre astrological automaton clock dating to the late 1400s.

This spooky statue sits outside a famous Prague theater.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.

A series of playful yellow penguins share a serious message about the environment.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

A surreal statue honoring Prague's favorite literary son.