Home to some of the world’s darkest skies, this project blends ancient Māori culture with world-class astro tourism.

Known for the tunnel that leads visitors to the water.

Some of the clearest water anywhere in the world.

One man's dream has turned into this naturally growing chapel made of almost nothing but trees.

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

This weird abode has inspired everything from the "House On Haunted Hil" to a robot hunter's pad.

Enormous lake at the bottom of a unique cave system.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

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

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

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

An emerald-green grotto just a short trip from Austin.

Most-visited and most-photographed slot canyon in the American Southwest.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Rippling sand dunes frozen in the Arizona rock.