Places vaneiribarren Wants to Go

Abandoned blockhouses from Nazi Germany's Atlantic Wall erode into the sea on a French beach.

A charming Spanish village sits atop this natural limestone overpass.

This narrow path was cut right into a French mountainside to feed the country's early naval expansion.

This funky former tobacco factory is one of the most striking examples of Madrid's cultural diversity.

This macabre masterpiece of a mural is one of Francisco Goya's "Black Paintings."

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

A open air theatre built on a cliff by an eccentric British woman.

Six beautiful wooden giants are hidden around Copenhagen.

Vortex-shaped aquarium hosts Europe's largest school of piranhas and other ocean creatures.

Colorful lights and mirror-like brine pools create trippy illusions within the historic mine.

Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.

A 19th-century subterranean reservoir repurposed as a contemporary art cave.

Abandoned for decades, trains still pass through the now-restored remains of one of Madrid's first metro stations.

This enchanting hamlet carved into the rock looks like something straight out of Tolkien's Rivendell.

The abandoned remains of this Victorian brewery hide crumbling bowling alleys and rusting industrial gear.

Berlin's oldest surviving academic architecture hosted decades of animal dissections.

Named after a militant urban guerilla, this famous former squat is a graffiti-covered stronghold of leftist culture.

A 12th-century fortress containing some of Berlin's oldest buildings.

Gardens representing parts of Asia, Europe, and the Mid East are tucked away among the Soviet-style buildings in East Berlin.

A surreal museum of extraordinary industrial objects.

Skulls from the plague of 1656 and World War II bombings are united by a cult dedicated to caring for the ancient dead.

This small chapel is built of human bones and decorated with a golden skeleton.

This star-shaped military outpost is now simply trying to protect itself from neglect.

This small museum in a former church crypt contains artifacts of the Elephant Man, Jack the Ripper and Florence Nightingale.