Tour Center free. Guided tours $15; $13 (senior citizens); $10 (students with ID); free (ages 0-17). Self-guiding audio tour wand $6. Tickets are available on a first-come, first-served basis.
Wed.-Mon. 10-5, June-Aug.; Wed.-Sun. 11-4, early Mar.-May 31 and Sept. 1-late Dec. Last tour begins 30 minutes before closing. Tour schedule may vary; phone ahead.