Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

On the Oregon coast there is a natural hole that seems to be draining the sea.

Hitch a boat ride to dine on stilts while watching wildlife.

Fine dining 20 feet below the surface in the Indian Ocean.

A historic shipbuilding town is home to a sail-through fish-and-chips shop.

An underwater restaurant, surrounded by a coral reef.

This pirate-broadcasting-tower-turned-restaurant played a rebellious role in the history of Dutch television.

This cavernous swimming spot doubles as a home to the largest known colony of bats in Central Asia.

Home to an endangered salamander, a full moon celebration, and a large spring-fed outdoor swimming pool.

A natural tidal swimming pool is ringed by bizarrely artistic lava rock formations.

At the foot of a waterfall lies a peaceful swimming lagoon and evidence of over 60,000 years of human habitation.

The world is full of swimming holes, but few compare to Samoa’s idyllic To Sua ocean trench.

A clear blue swimming hole with hidden caves, still unexplored.

These azure waters were thought to lead to the Mayan Underworld.

There's a mini version of Iguazu Falls hidden in the Balkans, and it's got a rope swing.

A long-forgotten Victorian swimming hole is still a fun spot for a dip.

Take a dip beneath the stalactites in this amazing cenote.

A magical sinkhole on the Yucatán Peninsula is adorned with mini waterfalls and hanging vines.

A perfectly circular lake is formed by the crater of an ancient underwater volcano.

This geothermal hot spring hides beneath a slowly growing mineral dome.

The gathering point of an old Melbourne swimming club was site of a historic, world-record dive in 1918.

Unparalleled stargazing, one of Colombia's best observatories, and a swimming pool can all be found in the middle of this ancient tropical forest.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

This gold mine–turned–swimming hole is the perfect summer picnic spot, immersed in nature and history.