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

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

Remember that scene in the Matrix, when Neo is in the big white room with all the weapons flying by? Well, this is what it would look like if he had wanted trees instead of guns.

A plaque commemorates the spot in the Oregon woods where the first-ever Geocache was hidden.

The wooden airship was the largest flying boat ever built.

This gorgeous beach hides behind two headlands in Oregon's Ecola State Park.

Tiny horses tethered to antique rings are scattered around the city.

A volcanic landmark located on an Ice age lake bed.

Formerly secret, precariously perched boulders.

Despite a legend that says this highest peak in Oregon was climbed in high heels scores of people have died on its slopes.

Oregon's unexpected high desert, displaying layers of time in a colorful show.

A heavenly experience, right here on Terra Firma.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

On the Oregon coast there is a natural hole that seems to be draining the sea.

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

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

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 dazzling display of red rocks weathered into spires and hoodoos.

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

This roadside stop between Goblin Valley is the perfect location to view some of the region's natural wonders.

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

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