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

Concrete crosses scattered across the Arizona scrubland which were used to align spy satellites.

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

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

A cabinet of curious mathematical models and old calculators.

Religious statues built because of one man's bargain with God fill this peaceful sculpture garden.

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

The massive, incredibly rare instrument is over 11 feet tall with a range so deep it goes lower than humans can hear.

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

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

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

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

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

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

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

This sanguine boulevard was named after a deadly cowboy bar fight.

This giant steer-skull edifice refuses to die.

An Arizona museum with a collection of pharmaceutical oddities, including a jar of a gangster's chewed gum.

These free-roaming horses were once destined to disappear from the land.

In Tucson a giant metal snake helps pedestrians cross a busy highway.

The set location for a 1987 cult classic draws international film buffs to the middle of the Mojave Desert.

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

This golf ball–shaped former desert real estate office now houses a UFO museum.

An abandoned 1920s-era stretch of cabins now overshadowed by the 66 Motel.