Maine's Acadia National Park is a 47, 000-acre park located on the Atlantic coast of Maine. It was established in 1919 and is the oldest national park east of the Mississippi River. The park is known for its rugged coastline, granite peaks, and forests. It is home to a variety of wildlife, including moose, deer, and bald eagles. Visitors can enjoy activities such as hiking, biking, camping, and kayaking. Acadia National Park is a popular destination for tourists and locals alike.