High Country News

Mobile Nation

March 15, 2010
A motorhome metropolis blooms each year in the Arizona desert.

For most of the way between Palm Springs and Phoenix, Interstate 10 cuts a straight line through the desert; a brick on the accelerator could drive it. Most people don't find too many reasons to stop, except maybe to fill the gas tank or the stomach. The landscape is relentlessly rocky and beige, except for the green valley at Blythe, where the last remnants of the Colorado River are siphoned off to irrigate alfalfa, cotton and other crops that should not grow in a place this dry and harsh.