Places Dubbnium Wants to Go

This sacred, circular cave is lined with pools so clear and still that it's hard to tell where the water begins.

A salty red wasteland in Tanzania is a breeding spot for endangered flamingos.

This rare volcano spews the strangest and (literally) coolest lava in the world.

This Luxembourg cave is covered in cryptic looking marks left by mining activity.

This noble mash-up in eastern Luxembourg is part Medieval, part Renaissance, all castle.

Nestled in the woods lies this land art project: a hybrid between park, maze and natural monument.

This former hydraulic laboratory is now a woodland dotted with old engineering models.

This disused VLF radio station is no longer in service but the surrounding town still bears its name.

An amusement park on the grounds of an unused nuclear power plant, with a swing ride inside the cooling tower.

Between Neo-Pagans and Neo-Nazis, these strange rock formations have a curious cult following and a very strange history.

This gateway to subterranean Hanover plays jazz, pop and rock to surprised passersby.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

Germany's longest suspension rope bridge.

This Cold War–era fallout shelter was actually a storage facility for the nation's emergency currency.

Wooden pathways run through this rocky landscape, which legend says was created when a dwarven king pulled down his own castle to stop raiding giants.

Tucked away in a small German apartment is an eclectic museum devoted to West African vodun culture.

The Bauhaus-style former industrial complex is considered the world's most beautiful coal mine.

Lavish royal estate punctuated with heated greenhouses.

The Belgian royal family's private depot now stands abandoned and forgotten alongside the tracks.

A tiny metropolis resides inside this student housing complex.

The vast chamber inside this abandoned cooling tower looks like something out of a sci-fi dystopia.

A magical and peaceful ruined Cistercian abbey in what is now southern Belgium.

Each spring, a dreamlike carpet of bluebells overtakes the forest floor.

Theme park featuring miniature replicas of European monuments.