Around Phoenix the desert gives way to sky islands and saguaro forests, where a single road can climb 6,000 feet from cactus to pine in a string of switchbacks.
A driver's-dream climb up 9,157-foot Mount Lemmon with 6,000 feet of elevation gain, taking you from desert to alpine forest through nonstop curves.
One of the curviest, most scenic roads in the country, winding past Superstition Mountain, Goldfield Ghost Town, and Tonto National Forest just east of Phoenix.
A dramatic set of switchbacks climbing the escarpment out of the desert toward Prescott, a favorite for its tight grade and big valley views.
Eighty miles of mountain road through Jerome and Oak Creek Canyon, serving up some of the most stunning landscapes in Arizona.
A low-speed scenic loop winding through dense saguaro forest, perfect for an easy, photogenic cruise close to the city.
Open Road is free on iPhone and Android.