Macabre astrological automaton clock dating to the late 1400s.

A half-buried vehicle in Prague's is the latest iteration in a long-running piece by Czech artist David Černý.

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

What looks like a suicide in progress is actually a statue of Sigmund Freud.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

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

A Jenga-style cylindrical tower of books that appears to go on forever.

These bronze pamphlets remember a remarkable group of Germans who fearlessly opposed the Nazis in the very center of their power.

The scars of World War II are preserved on its walls.

One of the most easily accessible examples of the rare 1960s UFO houses.

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

A fearsome dragon clings to a corner of Munich's city hall.

A stairway to heaven, or to nowhere at all.

This beautiful 19th-century temple stands atop the ruins of its predecessor.

Go surfing on this urban wave, "hacked" by local surfers.

In northeastern Poland, the ruins of a massive granary overlook the Narew River.

A World War II torpedo launch station abandoned off the Polish coast.

A haunting deserted hotel is a favorite with artists and photographers.

This fairytale inspired, warped building houses restaurants, shops, and a radio station.

The site of the first battle of World War II.

An abandoned Jewish sanatorium is tucked within the woods of Poland.

Bored potato-guarding Nazis etched their thoughts onto a brick storage building in Copenhagen's Meatpacking District.

A 19th-century subterranean reservoir repurposed as a contemporary art cave.

This ultra-modern wooden boardwalk turns the ocean into a swimming pool.