Maine, the most northeastern state in the United States, is known for its rocky coastline, history of the sea, and natural areas like the Acadia National Park’s granite and spruce islands. There are a lot of mousses in Baxter State Park with mountains. The end of the Appalachian Trail, Katadin. It is dotted with lighthouses such as candy stripe lighthouses of West Quoddy Head, and there are also lobster huts and sandy beaches such as Ogunquit and Old Orchard.