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

Few things look more out of place than the electric blue ponds in the reddish-brown desert of Utah.

This raised bulls-eye visible from space was the subject of an intense geologic controversy.

The location where the iconic movie character declared it was time to go home.

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

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

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

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

A sharp bend in a dramatic river canyon cut through red rocks.

This small interfaith chapel lies not far from the rim of the Grand Canyon.

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

A monument to the one-armed geologist who led the first documented expeditions through the Grand Canyon.

This Native American settlement dates back to the Pueblo II period.

Hundreds of drawings left by the land's previous inhabitants remain mysterious.

Erosion and various mineral deposits give this striking canyon its distinct color and soft appearance.

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

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 tunnel with windows, so you don't miss out on the impressive views.

The most magnificent bottle house in a town strangely full of them.

Twelve plaster figures inspired by da Vinci's famed painting haunt the desert landscape above a real-life ghost town.

A land of debatable treasure.

Odd outsider art installations surround a Gold Rush-era ghost town.

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

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.