$15; $10 (ages 6-17). Reservations are recommended.
Tours are given daily, Apr.-Dec. During the peak summer season, three tours depart Mon.-Wed.; the first departure is at 11 a.m. Six tours depart Thurs.-Fri.; the first departure is at 11 a.m. Sat. tours depart every half-hour 10:30-3. Sun. tours depart every half-hour 10:30-2:30. Phone ahead to confirm schedule. Allow 1 hour, 15 minutes minimum.