Towering cacti and shimmering desert near the Wild West town of Tucson appeal not only to aspiring cowboys but also sun-seekers, resort-goers and outdoors enthusiasts.
In terms of diversity, there's scenic trail to be trod in Arizona to suit the needs of all hikers involved, from Rim-to-Rim treks in the Grand Canyon to more leisurely strolls around the cool heights of Flagstaff.