The south-western US state of Arizona has more than its fair share of stunning landscapes, natural phenomena and National Monuments. Best known is the Grand Canyon, but there are also numerous deserts, a petrified forest, extinct volcanoes and the huge Sunset Crater. Not surprisingly, it has featured as the backdrop to many Western movies.The Painted Desert is a narrow, crescent-shaped arc about 160 miles long which begins near the Grand Canyon and varies in width from 10 to 35 miles. It is larg...