Crossing Arizona takes us on an extraordinary journey across some of the harshest, most remote, and arguably most beautiful natural terrain in the Lower 48. Long-distance hiker Chris Townsend, inspired by the writings of Edward Abbey and Colin Fletcher, set out alone to explore the desert landscape that inspired them. The rough, still-evolving Arizona Trail he hiked runs 800 miles from desert floor, through grasslands, through mountain forests, all the way from the Mexican border to Utah. Along this distinctly American path, Townsend's uniquely British sensibility ensures an...

The dramatic Isle of Skye contains some of the most challenging and exhilarating walks in Scotland. Here are 10 of the best, containing 11 Munros.