El Camino del Diablo - Credit: Wikimedia Commons
El Camino del Diablo (Spanish, meaning "The Devil's Path"), also known as El Camino del Muerto, Sonora Trail, Sonoyta-Yuma Trail, Yuma-Caborca Trail, and Old Yuma Trail, is a historic road that passes through some of the most remote and inhospitable terrain of the Sonoran Desert in Pima County and Yuma County, Arizona. The name refers to the harsh, unforgiving conditions on the trail. Read more on Wikipedia
Source: en.wikipedia.org