The Appalachian Trail On The National Geographic Channel
http://channel.nationalgeographic.com/episode/appalachian-trail-3591/Overview
Summary: Much of the Appalachian Trail is close to major populations – so how wild can it be? We will travel from South to North and explore the remotest corners of the A.T. and meet the scientists fighting to keep this wilderness wild. Join National Geographic on a rollercoaster ride of agonizing ascents and rewarding vistas — all courtesy of mountains roughly 480 million years in the making.. Well explore this 5 million step journey through the five distinct regions of the AT landscape and learn what it takes to keep this ribbon of green safe, healthy, and totally wild.