A geological mystery on Camelback Mountain.

The fictional star of "Breaking Bad" is memorialized with a real-life gravestone in his hometown.

Millions of years of erosion created the feature for which this rock formation is aptly named.

This Old West hotel, the longest in continuous operation in the state of Arizona, is claimed to be haunted.

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

Red sandstone structures dominate this landscape, which has been inhabited for some 5,000 years.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

The unusual burial monument of Arizona's first governor.

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

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

This collection of Wild West movie memorabilia also claims to hold some secrets of the Lost Dutchman's mine.

An urban laboratory.

This 40-room dwelling tucked within a cliff was built by the basin's prehistoric residents.

The largest natural travertine bridge in the world is nestled in a small canyon in central Arizona.

On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.

A spiritual vortex among the red rocks in Sedona.

This striking public art installation is suspended above a public park, designed to gently move in the breeze.

This historic national park is covered in the stunning ruins of red rock pueblos.

An homage to everyone's favorite prehistoric cartoon family.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

See massive fossils that are over 200 million years old in northeastern Arizona.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

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

In the middle of a suburban Denver neighborhood is a cave that once provided solace for a prominent Ute chief and his family.