$10; free (ages 0-15). Themed tours $15; ages 0-15 are not permitted. Reservations are required for themed tours.
Daily 10-5, May-Oct.; Fri.-Sun. 10-5, rest of year. Tour departure times vary; last tour begins 45 minutes before closing. Behind-the-scenes tour offered the first Sat. of the month. Behind the Ropes tour offered the second Sat. of the month. Phone for departure times. Closed Jan. 1, Thanksgiving and Christmas.