$5; $2 (ages 6-12). Guided tour (includes admission) $10; $4 (ages 6-13). Reservations are required for guided tours and must be made at least 24 hours in advance.
Daily 9-5, Memorial Day weekend-Labor Day; by appointment rest of year. Two-hour guided tours are given daily at 7 a.m. and 7 p.m., Memorial Day-Labor Day. Allow 30 minutes minimum.