Welcome to Marion, otherwise known as “America’s Coolest Hometown.”Lookout of a scenic mountain view.Credit: Chad Williams/Courtesy of Virginia Tourism CorporationThe Appalachian Trail is one of America’s most famous long-distance hikes, a 2,000-plus-mile journey from Georgia to Maine. Those who complete it within 12 months are called “thru-hikers,” with approximately 3,000 attempting the months-long trek annually, but you’ll also find plenty of…