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.

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

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

The historic “pink house on the hill” is an architectural gem that now serves as a center for water conservation.

This small, unassuming street is now a canvas for color and creativity.

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

For those going through a life transition, a place to leave behind a piece of your former self.

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

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

Once a year, at exactly 11:11 a.m., this monument comes to life.

The first permanent memorial to a unique secret weapon of World War II.

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

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

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

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

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

The cinder cone volcano with a less than complimentary name.

Founded by members of the Tohono O’odham Nation, this one-room joint's James Beard–winning fry bread is light as a cloud.

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

A secret fresh water spring for animals and humans alike hidden along the most famous road in the United States.