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

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

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

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

What looks like a suicide in progress is actually a statue of Sigmund Freud.

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

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

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Macabre astrological automaton clock dating to the late 1400s.

Terrifically morbid cemetary and site of famous Paracelsus' grave.

Trick water gardens from 1619 featuring a 200 piece mechanical theater powered by water.

This hotel was once home to a steamliner company and became the final rest stop for Europeans heading to the New World.

A nearly 25-foot concrete sculpture of Sylvette, Picasso's muse.

An art installation memorializing a tram stop, which became a tram stop.

A strangely curved lamppost stands tall over this avenue in Rotterdam.

A modern reimagining of a medieval city gate.

Rotterdammers' dirty minds gave this Santa a dirty nickname and cursed it to a life of wandering.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.