Old ships and machinery fill a historic harbor in the city that's home to Europe's largest port.

This centuries-old gothic monster has been converted into a sprawling, glossy bookstore.

A little sculpture with a large wardrobe.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

This cemetery features modernist statues as strange as its name.

Here’s how Robert the Doll earned his reputation as the most haunted doll in the world.

A monument celebrating the idea of reaching inaccessible places.

Former villa and estate of James Deering developed to preserve native tropical forests.

This historical swimming pool near Miami is emptied and refilled each day with naturally filtered water.

A mysterious castle built as a monument to lost love.

Over 50 exquisite hand-painted Renaissance maps decorate a Medici storage room.

The famous sculptor left his mark on this Italian wall in an internationally protected example of street art.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

This abandoned Greek island was the last active leper colony in Europe.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

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.

This one-time health resort was used by aristocrats around the world.

This abandoned Slovenian military barracks has become a punky-political art squat.

A whimsical bridge adorned with decorative dragons.