This former steel and coal plant is now a neon-lit industrial fantasia.

Nature is leading a successful mutiny on this century-old freighter.

China's very own Atlantis is an ornate dynastic city resting at the bottom of a lake.

This former Cyprus flight hub is now a crumbling, abandoned ghost complex.

Famous for its bio-luminescent inhabitants, known as "Dismalites" .

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

Five ancient libraries, little changed for centuries, preserve a medieval archive of Quranic lore and civic documents

A geological bull's-eye visible from outer space.

Fossils, railroads, and waterfalls!

Part of one of the largest flooded cavities on the planet, and littered with prehistoric animal bones.

This historic timepiece is thought to be the only public clock in the world that keeps lunar time.

Controversial site of what could be Europe's first pyramid.

Most-visited and most-photographed slot canyon in the American Southwest.

Hot springs monkey spa in the middle of Hell's Valley.

A natural arch offers panoramic views of Yangshuo's karst hills.

A harrowing trail up a mile-high mountain.

The hottest place on the planet.

Bizarre living fossil only grows in a small chunk of the Namib Desert.

Intensely colorful calcite pools in Southern China.

One of the deepest blue holes in the world.

Moss and stone turn this waterfall into an otherworldly liquid veil.

A small town hallucinates en masse - Bad bread, or CIA science project?

A lush desert oasis in the shape of a narrow crescent.

Named after the Goddess of Harvests, Annapurna is the deadliest member of the Eight-thousanders club.