Discover a national treasure in historic Stony Brook. This nine acre park-life setting contains three exhibition buildings featuring changing exhibitions in American art, history and the finest collection of horse-drawn carriages in the United States. Enjoy lovely gardens and a fountain framed by historic buildings. Open year-round. Art Museum, Carriage House, Blacksmith shop, schoolhouse, exhibits of 19th and 20th-century art, Long Island and American history, horse drawn carriages, Museum Gift Corner.