Hours: Guided tours on the half-hour Sun.-Fri. 10-3:30, July 3-Sept. 4; Sun.-Fri. 10-1:30, Sept. 5-Oct. 30; Sun.-Fri. noon-1:30, May 1-July 2; Sun. noon-1:30, rest of year. No tours on Jewish holidays. Loeb Visitor Center open Sun.-Fri. 9:30-4:30, June 29-Aug. 31; Sun.-Fri. 9:30-2, Sept.-Oct.; Sun.-Fri. 11:30-2, May 4-June 28; Sun. 11:30-2, rest of year. Phone ahead to confirm schedule.