Dedicated to the unsung history of human waste.

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

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

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

A former squatter's paradise outside Prague.

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

A bus with a butt and biceps to put Olympic athletes to shame.

A crucified and bearded female saint.

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

The last municipal pneumatic post system in the world was in operation for over 100 years, and may run again.

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

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

This artificial cave looks like something out of a fairytale.

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

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

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

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

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

An Orwellian sculpture with eyeball cameras watches passersby.

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

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.

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

A steampunk-styled three-floor factory churning out art, activism, and electronic beats.