Grounds and visitor center free. Guided tour May-Oct. $14; $12 (ages 62+ and students with ID); free (ages 0-15). Guided tour in Nov. $12; $10 (ages 62+ and students with ID); free (ages 0-15).
Grounds open daily dawn-dusk. Visitor center Tues.-Sun. 9:30-5. Guided tours are given on the hour Tues.-Thurs. 10-4, Fri.-Sun. 10-1, early May-late Oct.; Fri.-Sun. 10-noon, in early Nov.; Fri.-Sun. 11-3, in mid-Nov. Self-guiding tours available Fri.-Sun. 2-5, early May-late Oct. Last admission for self-guiding tour 30 minutes before closing. Phone ahead to confirm schedule. Allow 1 hour, 15 minutes minimum.