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

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

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

An incredible airplane graveyard sits outside this small museum dedicated to preserving aviation history.

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

Bootleggers ran booze beneath this building before (and after) Route 66 appeared beside it.

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.

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.

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

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

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

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

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.

A partial tunnel blasted into a steep ridge is all that remains of a failed railway across Arizona.

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

The cinder cone volcano with a less than complimentary name.

This reclusive Hopi village in Arizona has been continuously populated longer than anywhere else in America.

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

A living snapshot of a different time in America is preserved and maintained by a community of volunteers.

Along the old Route 66 is an abandoned trading post made from old telephone poles, built by a former circus clown.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.