Guided 45-minute tours are given daily at noon, 2 and 4, Memorial Day-Labor Day; Tues.-Sun. at noon, 2 and 4, May 1-day before Memorial Day and day after Labor Day-Oct. 31; Sat.-Sun. at noon, 2 and 4, rest of year. Closed legal holidays except Memorial Day, July 4 and Labor Day. Phone ahead to confirm schedule.