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

The statue of a cursed knight is said to come to life every 100 years.

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.

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

Street artists transformed an abandoned air vent into the beloved Star Wars robot.

Throughout this shopping mall are medieval ruins that were discovered during the mall's construction.

This artificial cave looks like something out of a fairytale.

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

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

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

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

Nine bronze hands protruding from a wall honor the student uprising that led to the fall of Czechoslovakia's Communist government.

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

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

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

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

A plaque marks the spot where the saint was shoved off the Charles Bridge and into the river.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

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

Macabre astrological automaton clock dating to the late 1400s.

Ugly 18th-century dwarf statues living in a perfectly landscaped Austrian garden.

This strange statue features a bust of the famous composer plopped atop a woman's body.

The world's oldest known salt mine.