Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 35. Chapters: National Historic Sites in Massachusetts, National Historical Parks in Massachusetts, National Natural Landmarks in Massachusetts, Appalachian Trail, Cape Cod National Seashore, Mount Greylock, Longfellow House-Washington's Headquarters National Historic Site, Boston Navy Yard, Boston Harbor Islands National Recreation Area, Springfield Armory, Bartholomew's Cobble, List of National Natural Landmarks in Massachusetts, Lowell National Historical Park, New Bedford Whaling Museum, Adams National Historical Park, Saugus Iron Works National Historic Site, Minute Man National Historical Park, Salem Maritime National Historic Site, Seamen's Bethel, Muskeget, Frederick Law Olmsted National Historic Site, John Fitzgerald Kennedy National Historic Site, New Bedford Whaling National Historical Park, Boston National Historical Park, Boston African American National Historic Site, Cold River Virgin Forest, Acushnet Cedar Swamp. Excerpt: The Appalachian National Scenic Trail, generally known as the Appalachian Trail or simply the AT, is a marked hiking trail in the eastern United States extending between Springer Mountain in Georgia and Mount Katahdin in Maine. It is approximately 2,181 miles (3,510 km) long. The path is maintained by 30 trail clubs and multiple partnerships, and managed by the National Park Service and the nonprofit Appalachian Trail Conservancy. The majority of the trail is in wilderness, although some portions do traverse towns and roads, and cross rivers. The Appalachian Trail is famous for its many hikers, some of whom, called thru-hikers, attempt to hike it in its entirety in a single season. Many books, memoirs, web sites and fan organizations are dedicated to this pursuit. Along the way, the trail passes through the states of Georgia, North Carolina, Tennessee, Virginia, West Virginia, Maryland, Pennsylva...