New Castle Historical Society and MuseumThe New Castle Historical Society is housed in the 1867 home of Horace Greeley in downtown Chappaqua, NY 100 King Street Chappaqua , NY , 10514 Phone: (914)238-4666 41° 9' 32.7852" N, 73° 46' 16.8348" W See map: Google Maps Boscobel House and Gardens Cornwall Independence Day Committee Fort Ticonderoga Fireworks, Your Family, and New York State Fourth of July Parades, Celebrations, Fireworks, and Festivals in the Hudson Valley