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

The oldest garden in Prague, once part of an medieval orchard.

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

This walkway is so narrow it needs its own light to stop pedestrian traffic jams.

Dedicated to the works of the legendary special effects artist.

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

Countless grotesque faces stare out from this eerie Prague art wall.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

This Czech church doubles as something of a permanent fashion exhibition for a statue of the Infant Jesus.

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

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.

Bullet holes in the church wall are a reminder of the violence that followed the assassination of a high-ranking Nazi officer.

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

A mocking tribute to the past and modern leadership of Prague.

This spooky statue sits outside a famous Prague theater.

Macabre astrological automaton clock dating to the late 1400s.

An existential riddle in the world's largest ancient castle.

A 400-year-old mummified arm dangles from the ceiling of St. James the Greater, serving as a warning to thieves.

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

A surreal statue honoring Prague's favorite literary son.

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

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

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