Cemetery open daily dawn-dusk. Visitor center open Mon.-Fri. 9-5, Sat.-Sun. 9-8, mid-Mar. through Nov. 30; Mon.-Fri. 9-5, Sat.-Sun. 10-4, rest of year. Guided tours are given Sat.-Sun. at 10, 2 and 4, mid-Mar. to early Dec. (also at 6:30 p.m., mid-Mar. to mid-Oct.); at 2, rest of year. No tours first Sun. in Oct. and during some special events. Phone ahead to confirm schedule.