Sonoran Desert desert is a popular route to attempt unauthorized entry across the border. The harsh conditions mean that the 3-5-day march, usually moving at night to minimize exposure to the heat, often ends in death. There are many National Parks and Monuments; federal and state nature reserves and wildlife refuges; state, county, and city parks; and government or nonprofit group operated natural history museums, science research institutes, and botanical gardens and desert landscape gardens. Sonoran Desert The Sonoran Desert is a North American desert which covers large parts of the Southwestern United States in Arizona and California and of Northwestern Mexico
Painted Desert Community Complex Historic District Removal of irrigation caused these plants to die, altering the landscape. The complex was listed on the National Register of Historic Places in 2005, and was designated a National Historic Landmark District in 2016. Painted Desert Community Complex Historic District The Painted Desert Community Complex is the administrative center of Petrified Forest National Park. The community center includes administrative facilities, utility structures and National Park Service employee housing, planned by architects Richard Neutra and Robert Alexander as part of the Mission 66 park facilities improvement program. Work on the community began in 1961 and was completed by 1965. The complex