A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

A spiritual vortex among the red rocks in Sedona.

The story of Two Guns, Arizona could easily be described as a Shakespearian tragedy on Route 66.

A Saint Nicholas-themed ghost town in the Mojave desert.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

Dramatic river bend surrounds a natural red-rocked pedestal.

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

Rippling sand dunes frozen in the Arizona rock.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

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

One man has installed bathtubs into the Utah desert floor to harness the powers of a natural hot spring.

A house carved into a rock in the 1940s.

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

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.

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

The outcropping is graffitied with the name of the beloved musical Muppet television series.

This popular pilgrimage site offers a hole filled with holy healing dirt.

Wee (and not so wee) footprints that insects and reptiles of the Paleozoic Era left behind.

This is one really big nut.

The old Route 66 town straddling Texas and New Mexico died along with the Main Street of America.

A cave's rare beauty held a cavernous secret hidden underground.

Giant origami sculptures tucked into desert scenery beckon passers-by to explore further.

A multi-storied adobe complex has been inhabited for more than a thousand years.