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

This Stockholm light tower can be controlled by anyone with a smartphone.

The world's largest model of our planetary system.

The library's graceful rotunda is like a bibliophile's temple.

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

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

One man has installed bathtubs into the Utah desert floor to harness the powers of a natural hot spring.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.