1,001 carved statues of the Buddhist God of Mercy, each with a unique face.

The 10,000 Torii shrine.

Teeny tiny hotel on the coast of the Canary Islands.

A newspaper editor turned this abandoned island into a tortoise nature preserve that's now the world's smallest national park.

A prehistoric landscape hidden in the cliffs of Maha'ulepu.

This blowhole is supposedly caused by a trapped monster.

This natural Icelandic fissure allows divers to swim right between two volatile tectonic plates.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

This black shoreline is made up of exploded lava particles.

The hallucinogenic center of the ancient world.

Inhospitable caverns just beneath this island paradise offer insights into alien worlds.

One of the deepest blue holes in the world.

A massive underwater sinkhole made famous by Jacques Cousteau.

Two geological phenomena in one precarious locale: a towering stone window, and a deep blue void.

A crumbling cathedral condemned by an earthquake.

This neon blue river gets its color from a unique mix of bacteria and volcano minerals.

A humid oasis combines recreation with exploration in a unique underwater cavern.

Mother Nature outdoes herself with this stunningly beautiful set of caves carved into marble.

A limestone wonderland of water and subterranean secrets.

Enchanting cave with a river crashing through the roof.

Erosion and time have created a naturally-formed water park.