Go back in time to 1936 inside the Vanderbilt Museum, Mansion and Planetarium, located in Centerport, New York, on Long Island. Families can enjoy living history tours, planetarium movies and experiences, exhibits, events and more. The Museum is open Tuesday through Sunday in the summer; Tuesday and Friday through Sunday in the fall; Tuesday, Saturday and Sunday in the winter; and Tuesday, Saturday and Sunday in the spring. Hours vary per day, per season. Mansion tours are offered on the hour.