From the fiery deserts to the frost-kissed mountain peaks, we're delving into the 7 most challenging and rewarding long-distance hikes that America has to offer.
Pacific Crest Trail: California, Oregon, and Washington, 2,663 miles
John Muir Trail: California, 210 miles
Continental Divide Trail: New Mexico, Colorado, Wyoming, Idaho, and Montana, 3,100 miles
Appalachian Trail: 14 states from Georgia to Maine, 2,185 miles