Ancient cliffs resembling a kilt on Scotland's second largest island emit an entrancing sound.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

This tiny getaway tucked away in an uninhabited Scottish valley isn't your ordinary teahouse.

One man spent 10 years building a spectacular section of road because no one else would.

These fantastically named natural pools look like something out of a Scottish myth.

A pub that is literally in the middle of nowhere, but continues to do business.

Though difficult to access, this stunning cave has a place in Scotland's poetic history.

This cramped crevasse saw the entire population of its island suffocated inside its depths.

Sitting atop a rock on Michamvi Pingwe beach, this restaurant becomes its own island at high tide.

Enter this small nook and you'll be surrounded by 360 degrees of street art.

The world's most remote permanent settlement on an active volcano.

Central America's deepest lake is actually a volcanic caldera, surrounded by three volcanoes.

A Mayan village preserved for centuries in volcanic ash.

Mount Nyiragongo has erupted at least 34 times since 1882 and is home to the world's largest lava lake.

The world's first and only natural nuclear reactor.

Ethiopia's "smoking mountain" is in one of the hottest regions on the planet and is home to two lava lakes.

Spring that emits water and fire at the same time is said to have remedial properties, and sparked its own religion.

A shrine of fire worship built on top of a natural flame.

Mysterious hillside with a continuously burning natural fire.

Home to nearly a third of the world's mud volcanoes, Azerbaijan is home to a messy, bubbling, and sometimes explosive landscape.

A fiery crater has been burning in the Karakum Desert since 1971.