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

The only diamond mine in the world where you can keep what you find.

The drama of nature in full effect in this Nevada State Park.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

This quiet park's strange sedimentary spires were named after Kodak's color film.

Giant pinnacles in the sun-scorched lands of Southern Utah have been nicknamed "white ghosts."

Strange red rock formations that have been attributed to a higher power for hundreds of years.

Hike the unusual hoodoos and rock formations that form this little-known natural wonder.

The damming of the Colorado River buried an iconic geologic formation before record-breaking drought brought it back.

Rippling sand dunes frozen in the Arizona rock.

This once-booming Gold Rush town is now home to a herd of feral donkeys.

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

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

A reproduction of earth's many biomes.

A glimpse of a waterfall is reached by a steel catwalk along a slot canyon located in an Ouray city park.

In 1975, a forestry worker in Arizona claimed to have been abducted by a UFO.

Red sandstone structures dominate this landscape, which has been inhabited for some 5,000 years.

This spectacular track has run continuously since 1882.

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

Some of the Old West's most notorious outlaws frequented this mining town.

Explore a misty river canyon from a metal bridge system.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

More than 21,000 images fill this overlooked gem of a prehistoric site.

Hidden in the New Mexico desert southeast of Roswell, nine small deep lakes formed inside sinkholes.