This colorful statue welcomes visitors to a Barcelona park.

The Roman city was the birthplace of various emperors and is home to one of the empire's most impressive architectural feats.

An abandoned beach resort in Normandy reclaimed by artists.

Built in 1347, this belfry is one of the oldest in the world and survived intense bombing during World War I.

The huge golden reliquary of a testicle-smashing saint.

The mummified heart of Louis XVII, the lost dauphin of the French Revolution.

The world's most famous cheese caves.

The birthplace of the ferocious William the Conqueror, this castle is awash in medieval history.

The remaining relics of the patroness of Paris lie in a chapel under a striking double spiral staircase.

The deserted pirate-themed restaurant still entices explorers.

A museum which takes visitors to the côté obscure of Paris.

Most complete collection of Gymnosperms in the world.

This artificial ring island was built to hold cubic tons of polluted dirt.

A small square plaque marks a failed assassination attempt that could have changed history.

A former ironworks that was the first UNESCO industrial site.

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

An impressive ensemble of sculptures that survived the Soviet regime.

You would never guess that before World War II this lonely field was a bustling German city.

Villas that once served as playgrounds for the rich now fall away in decay.

Once frequented by heavyweights of the Russian arts scene, this café is stuck in the 1800s.

Its front wall is striped with a menagerie of fantastic beasts and magnificent monsters.

Submerged ruins of a Neolithic coastal settlement, where houses, wells, graves and skeletons have been unearthed.

A massive, heart-shaped, wind-carved crater in the middle of the Israeli desert.

This church combines Christian, Byzantine, and ancient Greek architectural elements.