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

This luxury hotel suite is located deep in the bowels of an old mine.

A floating underwater hotel, created by a Swedish artist.

A nightly tradition fills the streets of Flogsta with a collective scream.

The single richest source of elemental discoveries in the world.

Sculpture of a bus made from wrecked passenger cars.

The internet as provided by a James Bond villain.

A hidden bathhouse in one of Stockholm's oldest and busiest neighborhoods is open to anyone who can find it.

Street artists transformed this abandoned industrial neighborhood into one of Europe's largest graffiti exhibitions.

"Only the dead get off at Kymlinge."

The remains of Alfred Nobel's first nitroglycerine factory can still be found on the shores of a Swedish bay.

No one knows who's responsible for decorating this tunnel with stuffed animals, but the people love it enough to protest their removal.

A steel paper plane is all that remains of a crashed aircraft that caused an amazingly small amount of damage.

Legend has this precariously placed rock was placed by giants. Science has another explanation.

Mysterious craters may have been home to an ancient cult.

Wars fought and wars won are remembered by these abandoned bunker ruins.

The etchings on this narrow channel between two islands bear witness to maritime travelers who have passed through since the Middle Ages.

A decommissioned submarine base makes a great space for graffiti art.

This dizzying tower was built to better broadcast the 1980 Moscow Olympics.

A giant gorilla made of used car tires used to sit sentinel over a Helsinki college campus.