A 250 million-year-old rock formation has earned a rather unique nickname.

Some 10,000 works of ancient rock art cover these volcanic basalt outcrops near the Gila River.

Petroglyphs, bird watching, and a 100-year-old Ranch in one location.

More than 25 fully functional scale replicas of famous lighthouses dot the shores of Lake Havasu.

Watch the newest land on the planet form before your eyes.

A rare kind of blue bear can be found chiefly in the national park that shares their name.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

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

The only thing stranger than stumbling onto these philosophical musings is the story of the homesteader who created them.

These lush groves of fan palms rise up like oases out of southern California's Colorado Desert.

Hike amid the palm trees that thrive among Southern California's Indio Hills.

One of the world’s largest collections of petroglyphs records 2,000 years of human activity.

A Mars simulation in the southern Utah desert.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

The cinder cone volcano with a less than complimentary name.

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."

These elusive, isolated rodents evolved into a distinct, locally iconic subspecies.

Dramatic river bend surrounds a natural red-rocked pedestal.

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

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

No one's quite sure why there's a metal megaphone bolted on two rocks in the middle of the Mojave Desert.

This traditional garden in the San Fernando Valley doubled for Star Fleet Academy, and is irrigated entirely by wastewater.