This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

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

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

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

A new sculpture calls attention to climate change in the centuries-old city it threatens.

Vietnam's feral abandoned water park offers access to a post-apocalyptic funscape, now with fewer crocodiles.

Houses are tucked between, on, and underneath giant boulders.

A battle between nature and architecture in the Cambodian jungle.

Hans Christian Andersen for the postmodern world.

A charming Spanish village sits atop this natural limestone overpass.

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

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

This spooky statue sits outside a famous Prague theater.

The oldest operating roller coaster of its kind, the Montaña Suiza has been thrilling riders since 1928.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

This multi-level, aqueduct-footbridge hybrid is one of the greatest works of the Spanish Renaissance.

These magnificently sculpted tombs represent Spain's own legendary version of "Romeo and Juliet."

A spectacular walk on the flank of a gorge.

The ruins of an ancient Celtiberian town with incredible rock-cut buildings and a Roman aqueduct.

An out-of-place grove of sequoias thrives in northern Spain.

How did a French journalist’s grave become the sexiest statue in the cemetery?

The Cycladic architecture makes this Athens neighborhood feel like an island paradise hidden in the shadow of the Acropolis.

Monasteries on rock pillars, once accessible only by frayed ropes.

Two towns are linked by an engineering marvel masquerading as a boring suspension bridge.