The Sonoran Desert is within the Sonoran Floristic Province of the Madrean Region in southwestern North America, part of the Holarctic Kingdom of the Western Hemisphere. The desert contains a variety of unique and endemic plants and animals such as the Carnegiea gigantea and Stenocereus thurberi. It has an area of 260,000 square kilometers. It overlaps areas of The Tonto National Forest. And there in lies the adventure.