Hours: Park grounds open Mon.-Fri. noon-5, Sat.-Sun. 11-5. Selected historic buildings and exhibits open Sat.-Sun. 11-5. Trolley rides Sat.-Sun. 11-4. Last admission is at 4:30. Park closed Jan. 1, Martin Luther King, Jr. Day, Presidents Day, Easter, Memorial Day, July 4, Labor Day, Thanksgiving, day after Thanksgiving, Christmas Eve and Christmas. Allow 2 hours minimum.