The stone-covered graves lie within the ruins of an Old West ghost town.

Since World War II people have been decorating this stretch of the Yuma desert with signatures arranged out of rocks.

Ancient human, animal, and geometric figures drawn in the earth.

The remnants of an early automobile route across shifting sand dunes can still be found in the deserts of Southern California.

Walk through the actual strap iron cells and solitary chambers of Arizona Territory’s first prison.

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

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