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

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

A sculpture of the iconic East German car on four legs is a tribute to those who traveled to Prague seeking asylum.

A crucified and bearded female saint.

This bar and museum are devoted to the controversial comic book work of Kája Saudek.

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

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

An Orwellian sculpture with eyeball cameras watches passersby.

A saintly relic hidden in a Prague church basement.

What looks like a crashed Zeppelin is actually a bright, airy reading room perched atop a modern museum.

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

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

This artificial cave looks like something out of a fairytale.

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

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

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

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

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.

Buried five stories underground, this Soviet bunker is packed with gas masks and Cold War paraphernalia.

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.

The hidden lair of an alchemist rediscovered in a 2002 flood.

Walk through Czech history in Prague's largest graveyard.