The graffiti-covered ruins of an abandoned trading post in the middle of the Navajo Nation.

This huge dam across the Colorado River caused an armed standoff between two U.S. states.

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

Giant telescope mirrors built in a spinning furnace under a college football stadium.

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

The largest copper mine in Arizona, this enormous open pit emerges from the hills like an alien landscape.

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

Some of Arizona's best spit-roasted tacos al pastor can be found here.

One of the final grand railway depot hotel complexes is slowly being restored to its former glory.

The lost ruins of the forgotten ferry lie hidden beneath the silt.

The remains of this rugged homestead ranch offer a brief glimpse into a bygone era.

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

This old selenite mine is dotted with tiny crystals that make it shimmer like it's covered in glitter.

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

After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.

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

This Old West prison built into the side of a cliff was said to be inescapable.

Legend says train robbers stashed their gold within the depths of this unusual cave.

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 biggest solar telescope in the world helps reveal the secrets of our sun.

Sleep where gangsters fell amidst smoke and flame, with nary a bullethole to show for the legendary struggle.

The remains of this hell for leather wild west town can still be found in the Arizona desert.

Take a monster truck tour around an ostrich farm in the middle of the desert.