The geography of the region is mainly made up of four features: the Mojave, Sonoran, and Chihuahuan Deserts, and the See more

While this article deals with the core definition for the American Southwest, there are many others. The various definitions can be … See more

The region has an extremely diverse bird population, with hundreds of species being found in the American Southwest. In the Chiricahua Mountains alone, in southeastern Arizona, there can be found more than 400 species. Species include Canadian See more

The southwestern United States contains many well-known national parks including Grand Canyon in Arizona, Death Valley in California, Great Sand Dunes in Colorado, Arches in … See more

Pre-European contact
Human history in the Southwest begins with the arrival of the Clovis culture, a Paleo-Indian hunter-gatherer culture which arrived sometime … See more

Vegetation of the southwest generally includes various types of yucca, along with saguaro cactus, barrel cactus, prickly pear cactus, desert spoon, creosote bush, sagebrush, … See more

The southwestern United States features a semi-arid to arid climate, depending on the location. Much of the Southwest is an arid desert climate, but higher elevations in the mountains in each … See more