Water

An enchanting monastery in the Spanish countryside appears lifted from a fantasy tale.

An unexpected desert oasis in South America.

The remains of a sunken military ship wreck visible through clear water.

Natural time capsule containing an alien ecosystem.

A massive sea stack famous for its appearance in The Goonies.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

Romania's only crater lake with water as pure as if distilled.

Curious cave that stays a cool 56 degrees all year long.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

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

Enormous lake at the bottom of a unique cave system.

Museum in a swimming pool where the water still flows.

This freshwater spring fills with 10,000 gallons of water per minute.

Largest lake in Great Britain measured by surface area.

Rustic natural hot springs in the deciduous rain forest.

Granite rocks that concentrate waves into powerful jets.

One of the best beaches in the entire world.

A beautiful, but toxic, lake formed by mining.