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

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

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.

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.

A Wild West jailhouse that slid down the mountainside.

These unique volcanic rock formations offer the perfect opportunity to camp and hike.

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

Hike the unusual hoodoos and rock formations that form this little-known natural wonder.

Stairs often replace streets on the steep slopes of this old mining town.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

Limestone caves with spectacular showcase chambers.

A 1930’s courtroom where John Dillinger and his gang went before a judge.

One of the oldest Mexican restaurants in the United States air-dries its trademark beef in a dangling outdoor cage.

From working out of his garage to the James Beard semifinals, one Tucson baker has kept his fan base—and his grains—local.

Visitors to this public park will also find the ruins of an old western fort.

An off-the-beaten path cave with an underground lake.

Come for the pizza, stay for a performance on the world's largest theater pipe organ.

Opinions differ as to whether this Arizona tree was actually used as a Wild West jail, but that hasn't stopped the town from capitalizing on it.

These petroglyphs created by ancient Arizonians have withstood centuries of exposure to the elements.

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

A spiritual vortex among the red rocks in Sedona.

A geological mystery on Camelback Mountain.