This gallery of prehistoric red ochre art lines the wall of a scenic segment in Utah's San Rafael Swell.

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

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

The Grand Canyon of Texas.

Ancestral Puebloan ruins, natural arches, and box canyons abound in this seldom-visited corner of Monument Valley Navajo Tribal Park.

The only nuclear weapon assembly and disassembly plant in the U.S.

Some 2,000 carvings show this rare desert spring has been an oasis for travelers for over a thousand years.

Sandstone rock formations that look like they belong on the cover of a progressive rock album.

A century-old cabin off of Highway 30 touts an unusual construction material: dinosaur bones.

A somber monument commemorates the site of a Native American reservation marked by suffering.

The top of a giant mesa, just outside of Amarillo, appears to float in the sky above.

A well-preserved Ancestral Puebloan ruin tucked beneath a desert cliff.

This centuries-old pueblo church houses the body of a Franciscan friar who is said to be a rare "incorruptible" corpse.

The U.S. Air Force has an anti-satellite laser weapon.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

Legends surround this jagged rock formation in the New Mexico desert.

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

A unique geological area spiked with wind-carved rocks that resemble teepees.

These Pre-Columbian petroglyphs contain representations of birds, deer, hunters, and even some early Native flute players.

Despite time, colonization, and the brutal New Mexican heat, these Pueblo ruins still stand.

The remains of a historic ranch house that witnessed the Civil War battle dubbed the “Gettysburg of the West.”

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

One of the American Southwest's most extensive collections of Navajo rock art.