Guided tours $25; $22 (ages 60+, active military and college students with ID); $17 (ages 6-17); still-camera photography permit fee (does not include tour fee) $15.
Daily 9-5, Mar.-Oct.; Sat.-Sun. 9-4, rest of year. Guided tours are given on the half hour 9:30-3:30. Closed June 19, 24 and 29, July 9-14 and 25, first or second weekend in Oct., first Sat. in Dec. and other days without notice. Phone ahead to confirm schedule. Allow 1 hour minimum.