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

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

A former squatter's paradise outside Prague.

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

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

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

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

A crucified and bearded female saint.

Monument to a suicide protesting the Soviet invasion.

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

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

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.

This charming wooden church was disassembled and moved not once but twice before settling in this Prague garden.

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

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

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

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

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.

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

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