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

A collection of anatomical samples from one of the first anthropologists to suggest that humans reached North America by crossing the Bering Strait.

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.

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

One of the famous Czech artist's lesser-known Prague installations appears to be a glowing fetus affixed to a drainpipe.

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

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

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.

One man's personal collection of KGB memorabilia is presented along with his strange viewpoint.

The risqué mixed-media sculptures are supposedly a metaphor for Czech politics.

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

The tunnel's elegant proportions keep you snug with no claustrophobia freak-out.

A memorial to the beloved brown bear that served in the Polish army during World War II.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

In the midst of a living monument to Soviet social engineering, Polish Catholics built this church by hand.

This sprawling concrete suburb of Kraków was designed by the Soviet Union as the model proletarian city.

This rare collection of human deformities displays fetuses with two faces, one eye, and "mermaid" legs.

The old fire station features a mural that has more to it than first meets the eye.

A unique museum dedicated to the history of household appliances from across the globe.

Dubbed "Wistom" by locals, this abandoned factory is an urban explorer's dream.

An abandoned Nazi explosives plant founded by the inventor of dynamite is now an underground museum.