First settled in 1631, Berwick is the ninth-oldest town in Maine. Its unique location on the border of Maine and New Hampshire has served as one of the most popular gateways between the two states for centuries. Berwick was home to Gen. John Sullivan, a military officer in the Revolutionary War, and James Sullivan, the seventh governor of Massachusetts. Berwick was also the site of the country's first sawmill, powered by the Salmon Falls River. In...