See massive fossils that are over 200 million years old in northeastern Arizona.

A small canyon with petroglyphs and a seasonal waterfall, only a short hike from the remnants of old Route 66.

Witnessing the might of this dessert-colored desert waterfall is a rare, powerful treat.

A motel dedicated to Southwestern nostalgia.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

A once popular resort—said to be the vacation spot of gangster Al Capone—now remains abandoned in the woods of Arizona.

This 40-room dwelling tucked within a cliff was built by the basin's prehistoric residents.

The largest natural travertine bridge in the world is nestled in a small canyon in central Arizona.

Come for the speed, leave in love with the desert.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

A little-known hot spring haven right below the highway.

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

A nature and cultural preserve named for its multitude of petroglyphs carved by the Northern Sinagua people.

The highest point in Arizona is an oddly snow-topped peak within the otherwise arid state.

The eroded core of an ancient volcano is now accessible by a short hike.

More than 300 years ago, a revolt at this Hopi pueblo shaped the future of the American Southwest.

The longest living non-clonal organisms on Earth.

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

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

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Two creeks flow out of either end of this canyon in opposite directions.

A unique arch graces the Dolores River Canyon near the Hanging Flume.