From Mexico to Canada on Wild Horses

On April 1, 2013, Ben Masters and three buddies saddled 12 wild mustangs and set out on a six-month, 3,000-mile journey from Mexico to Canada. They followed a patchwork of public lands from Nogales, Arizona, to Montana’s Glacier National Park, crossing the Grand Canyon and Yellowstone along the way. Only one of them had grown up on…