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 (Arizona) he located some 40 miles east of Petrified Forest National Park. Finding the cities were not made of gold, Coronado sent an expedition to find the Colorado River to resupply him. Passing through the wonderland of colors, they named the area "El Desierto Pintado" ("The Painted Desert"). Much of the Painted Desert within Petrified Forest National Park is protected as Petrified Forest National Wilderness Area, where motorized travel is limited. Nonetheless, the park offers both easy and longer hikes into the colored hills. The Painted Desert continues north into the Navajo Nation, where off-road travel is allowed by permit. The