Grounds and visitor center free. Tour $4; $3 (ages 13-17 and 62+).
Grounds daily dawn-dusk. Visitor center Wed.-Sat. 10-5, Sun. and Mon. holidays 1-5. Guided house tours depart on the hour Fri.-Sat. 10-4, Sun. 1-4, late May to early Sept. Phone ahead to confirm schedule. Allow 1 hour minimum.