This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

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

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

A series of labyrinths in the Nevada desert inspire meditation and calmness.

This massive crater in the middle of nowhere was used to train astronauts for moon landings.

This central Nevada cave is the spiritual home of ancient and enigmatic pictographs.

Wayne Newton's sprawling estate is now open for visitors to catch a glimpse of his "heart and soul."

Singing sand that stands as the final remains of an ancient lake.

The largest man-made crater in the U.S. marks the spot where we once tested mining with nukes.

Mine your own precious stones.

An exotic wildlife habitat right off The Strip.

If you want to take a peek at Area 51, this is legally as close as you're going to get.

This famous Nevada gold mine, once a hotbed of Wild West shenanigans, is now open for tours.

Graffiti, cars, and religion combine to create this jungle of scrap in the Nevada desert.

The longest living non-clonal organisms on Earth.

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

Rare and gorgeous birds abound in this protected wildlife sanctuary.

Natural rock water slides hidden in the remote forests of northern Idaho.

A small section of Boise, Idaho maintains the unique culture and traditions of the Basque people.

A legal loophole makes it possible to get away with murder within this 50-square-mile section of Yellowstone.

See just what life was like in a 19th-century prospecting town.

These black pillars of volcanic basalt seem to call mountain climbers with an unbreakable siren song.

Home to the deepest rift anywhere on Earth.

For thousands of years, Native American hunters drove buffalo straight off this cliff in Montana's Yellowstone Country.