- Arizona: Arizona has several desert regions, including the Sonoran Desert and the Mojave Desert. The Sonoran Desert is the hottest desert in North America and covers much of the southern and western parts of the state.
- California: California has the Mojave Desert and parts of the Sonoran Desert. The Mojave Desert is located in the southeastern part of the state and is known for its Joshua trees and other desert plants.
- Nevada: Nevada is mostly covered by the Great Basin Desert, which is characterized by its rugged mountains and high plateaus.
- New Mexico: New Mexico has several desert regions, including the Chihuahuan Desert and the Sonoran Desert. The Chihuahuan Desert is located in the southern part of the state and is known for its unique flora and fauna.
- Utah: Utah is home to the Great Basin Desert, which covers most of the western and southern parts of the state.
- Texas: Texas has the Chihuahuan Desert, which covers much of the western part of the state.