An improbable waterfall springs from an orange-white cliff face, tumbling into the headwaters of the Virgin River above Zion National Park.

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

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

Once a menacing challenge for trailblazers, this trail is now the most scenic drive in Utah.

It's safe—and permitted—to walk across these twin natural sandstone arches.

This geothermal hot spring hides beneath a slowly growing mineral dome.

Two creeks flow out of either end of this canyon in opposite directions.

Unlike most arches, this geological oddity formed in a volcanic dike.

Witnessing the might of this dessert-colored desert waterfall is a rare, powerful treat.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

A gothic palace of endless stalagmites and pseudoscorpions waits within one of the world's most beautiful caves.

Devilish landscape, once cinema home to giant alien bugs, now derelict roadside attraction.

America's largest man-made forest was planted in an effort to bring back the past.

A waterfall 600 ft. inside a mountain, once the bane of gold miners, is now a spectacle of nature.