Inside this Krakow church, an explosion of psychedelic color.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

A historic and beautiful Art Nouveau chamber in a historic railway station.

This strange statue depicts a young boy's body with an adult Mozart's head and a single wing.

A significant example of Czech cubist architecture—a style you won't find anywhere else in the world.

This hanging crocodile is thought to be the "dragon" that once plagued a Czech city.

A peculiar clock commemorates a historic victory won by ringing the noonday bell an hour early.

A former top secret nuclear fallout shelter now operates like a hotel stuck in the Cold War.

Mummified monks and the accidentally interred, in a 17th-century crypt.

Europe's second largest ossuary wasn't discovered until 2001.

A surreal statue honoring Prague's favorite literary son.

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

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

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

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

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

An eerie, existential museum dedicated to the author of "The Metamorphosis."

This doorless 20th-century elevator doesn't stop or slow down.

This Prague museum collects brutalist relics and memories from the country's former Soviet rule.

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

The first museum in the world devoted to sexual gadgetry.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

This automated sculpture of two men peeing will spell out text messages with their micturition.

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