The California Desert is a region of the southwestern United States that includes the Mojave, Sonoran, and Colorado deserts. The Mojave Desert, which is the largest of the three, is located in southeastern California and covers parts of Nevada, Utah, and Arizona. It is characterized by its dry climate and sparse vegetation. The ANA desert is located in the southern part of California and is known for its hot and dry climate. It is home to many species of plants and animals, including the iconic Joshua tree.