A floating cat sanctuary on an Amsterdam canal.

Dedicated to the unsung history of human waste.

The rusted creatures wait to be discovered in Prague's botanical garden.

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

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

The oldest garden in Prague, once part of an medieval orchard.

Steadily reminding Czechia of its past.

A former squatter's paradise outside Prague.

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

Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.

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

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

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

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

An Orwellian sculpture with eyeball cameras watches passersby.

Microscopic scenes; some call it novelty, some call it art.

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

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

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

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

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

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

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

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