The remnants of a creative early method of wildfire prevention.

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

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

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

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

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

One of the largest open-pit copper mining operations in the entire country.

Opinions differ as to whether this Arizona tree was actually used as a Wild West jail, but that hasn't stopped the town from capitalizing on it.

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

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.

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

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

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

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

A geological mystery on Camelback Mountain.

The highest point in Arizona is an oddly snow-topped peak within the otherwise arid state.

This giant steer-skull edifice refuses to die.

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

A mysterious "wedding cake" castle in the middle of the urban desert.

This southwestern historic site was designed and built by an artist who wanted his work to "feel at home."

The world's largest rose bush has literally outgrown the pioneer museum it was planted behind.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

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