The Neapolitan Cult of the Dead still cares for the skulls at this mini-Fontanelle.

In a city that boasts four separate inclined cable railways, this is one of the busiest funicular lines in the world.

Pompeii's less famous neighbor is still revealing her secrets.

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

An isolated 17th-century chapel on a remarkable site once dedicated to Celtic sun worship.

A small house sits between two huge rocks, with its back to the sea.

The precise origins of this pink sandstone temple are unknown.

The post-apocalyptic remnants of a bucolic town ruined by a plane crash.

The Church of the Annunciation was carved into the face of a cliff, just like the rest of the town of Haute-Isle.

At Monet's beloved home you can still see the Japanese bridge, waterlilies, and weeping willows that were the subjects of some of his most iconic paintings.

A quaint medieval millhouse hovers surprisingly above the waters of the Seine.

Remains of the artificial harbours invented for the Allied invasion of Normandy can still be seen at sea.

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

Europe's largest community of crocodiles and alligators.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

Hamburg's first legal sex work is relegated to a gated street that still does not allow pedestrian women.

Hamburgers are intensely proud of their tunnel beneath the river.

This contentious squat has stood through fire, violence, and government intervention as a hotbed of leftist protest.

Ancient cliffs resembling a kilt on Scotland’s second-largest island emit an entrancing sound.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

The most loyal of little dogs, or a Victorian era publicity stunt?

A massive Montreal stadium that has seen nothing but trouble since its inception.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.