Morristown National Historical Park, located in New Jersey, preserves key sites from the American Revolutionary War. It includes the Ford Mansion, which served as the winter headquarters for General George Washington in 1779-1780, and the surrounding areas where troops camped. The park features several trails and historical exhibits that educate visitors about the significance of Morristown during the war. It also highlights the hardships faced by soldiers and civilians, making it an important site for understanding America's fight for independence.