Centuries-old bridges grown from tangled roots.

Every autumn, this hillside is ablaze with red summer cypress.

Keshwa chaca, among the last handwoven Incan bridges, crosses Apurimac Canyon in Peru.

An ethereal glowing blue ocean cave in Croatia.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

A natural gas leak provides a flickering flame beneath a waterfall.

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

Hollowed out cedar log tubs set in an ancient towering forest.

Ruins of a German Castle on top of a towering stone pillar.

The atmospheric road was never meant to be so creepy.

This structure among the trees was the result of divine inspiration.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

An abandoned castle owned and ignored by Masons carries a cursed history.

The abandoned Japanese amusement park once loomed as a dystopian Disneyland.

A battle between nature and architecture in the Cambodian jungle.

Monasteries on rock pillars, once accessible only by frayed ropes.

The world's highest and most dangerous infinity pool lies at the precipice of Victoria Falls.

Thousands of exquisitely carved stone water storage wells, hundreds of stone steps fill this exquisite medieval stepwell.

Northern Ireland's Brobdingnagian stepping stones.

Enormous lake at the bottom of a unique cave system.

A seemingly endless landscape of pure salt stretches far across Bolivia.

A museum devoted to bringing to light forgotten or neglected histories through exhibitions, education and public programming.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.