Wild Heart of the Southwest The Four Corners region is an outdoor action zone too big for any one state and too wild to be defined by straight lines on a map. From the slickrock of the canyonlands to the alpine summits of the San Juans, this is America's adventure heartland.
Hiker Marcie Hahn and Hayduke Trail creators Mike Coronella (center) and Joe Mitchell hide from the 105-degree F (40.5-degree C) heat near the end of Lower Muley Twist Canyon.
"The rocks had super-cool striations [or minute grooves] and patterns," photographer Lee Cohen says. The Hayduke 812-mile (1,307-kilometer) Trail stretches from Utah's Arches National Park southwest to Zion National Park.