This balancing rock is one of Utah's most unusual geological formations.

Singapore's landscaping project is home to 18 incredible Supertrees.

A colorful, architectural experiment designed to increase a resident's longevity.

The northernmost point of continental Africa—or is it?

Hang with reindeer at this 400-year-old Sámi market.

A black sand beach where glacial fragments wash ashore and look like sparkling diamonds.

A long-disputed lighthouse built on the wrong side of a Finnish/Swedish island.

Defy gravity at this fascinating Pyrenees overlook platform.

The kitsch mansion of the former Romanian president Nicolae Ceaușescu features a golden bathroom.

A gathering of green robots at the Googleplex.

From under the bed of one of the co-founders, this server helped launch the notorious file-sharing website.

Part mural and part sculpture, this work of art sits in the middle of the Promenade, as if swimming in a river of asphalt towards the ocean.

Deep in the forest of northern Denmark, this secret underground bunker was built at the height of the Cold War.

A recently-abandoned international exhibition center.

A quirky collection of outsider art made from automobile parts.

Neon artworks light up this dark Edinburgh tunnel.

The largest stone moai on Rapa Nui.

Holy Hindu shrine in an enormous, monkey-filled limestone cavern.

Harder layers in colorful sandstone weather out as prominent “fins" and even more intricate and bizarre shapes.

There's light and a dreamlike panorama at the end of this tunnel.

Take the most scenic fjord landscape in Norway and add dramatic red cliffs, warm clear water, and playful dolphins.

A colorful and enigmatic cemetery in the middle of nowhere.

The only natural cave bath in all of Europe.

This abandoned hospital has a long history, having housed both German and Soviet soldiers in the course of its life.