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

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

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

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.

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

The first museum in the world devoted to sexual gadgetry.

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

Two stunning 17th-century libraries and a cabinet of curiosities.

Where the lovelorn find a home for their sentimental keepsakes.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

The beautiful baroque library of the Hapsburg empire.

Ugly 18th-century dwarf statues living in a perfectly landscaped Austrian garden.

Op-art architecture designed for happiness.

This cubist Vienna church building looks like some sort of alien stonehenge.

A spherical "micro-nation" in the heart of Vienna.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

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