More than a century old, this trading post resides in the Navajo Nation.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

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

The remnants of a creative early method of wildfire prevention.

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

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

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

These mid-century motels once housed the workers who built the Glen Canyon Dam.

Dramatic river bend surrounds a natural red-rocked pedestal.

This isolated outpost was once the only place to cross the Colorado River for hundreds of miles.

When it was built in 1929, this historic bridge was the only place to cross the Colorado River for 600 miles.

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

Rippling sand dunes frozen in the Arizona rock.

Walk through the sets of old western films at this small museum in Utah.

This ancient cave is home to a museum, bar, and is filled with fluorescent minerals.

The unusual patterns in this rock formation result from two distinct modes of weathering.

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

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.

This quiet park's strange sedimentary spires were named after Kodak's color film.

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

Local lore holds that Butch Cassidy took an escape route through Red Canyon's sandstone hoodoos after an attempted murder.

The notorious Wild West outlaw was raised in this unassuming abode.