A magically clear, blue river that seems to spring from nowhere.

Island, once a pirate hideout, now home to an abandoned resort.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

An eatery in a shallow river where diners can enjoy their meal mere feet from the base of an artificial waterfall.

The true jewel of Africa's west coast known as "Africa's Last Eden."

This peculiar lake of pitch is so thick and viscous that one can walk on its surface.

Now nearly dry, this lake is said to be the ancient home of the Lady of the Lake, and was once thought to be bottomless.

Enchanting cave with a river crashing through the roof.

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

A limestone wonderland of water and subterranean secrets.

Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.

The world's largest man-made underground caverns offer unparalleled underwater wonders.

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

"Where the ducks walk on fish."

This whimsically named Vietnamese stream is closer to a walkway than a waterway.

These powerful, if squat, Canadian waterfalls flow in different directions depending on the time of day.

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

These Finnish rapids have been attracting tourists for over a hundred years and are now released with the push of a button.

A beautiful stretch of Bangladeshi river known for its high quality sand is possibly more remarkable for its color changing water.

This tiered waterfall is so pretty it may cause visitors to cry tears of their own.

According to the local folklore, the myriad colors of this lake are the result of a lovelorn wizard's blunder.

The lovely lake that was naturally dammed, then naturally destroyed, then unnaturally saved.

This natural sea cave hides a small wonderland of natural turquoise beauty.

This fantastical waterfall is hidden in a cave located in a cracked cliff.