$5; $4 (ages 65+); $3 (ages 6-17). Bus tour included with admission; reservations are available on a first-come, first-served basis and must be made online in advance or in person on the day of the tour.
Hours: Mon.-Sat. 9-5, Sun. 1-5. Bus tour offered Mon.-Fri. at 11:30, June-Aug; Mon., Wed. and Fri. at 11:30, Apr.-May and Sept.-Oct.; Mon. and Fri. at 11:30, in Mar. and Nov. Bus tours are not offered on federal holidays. Closed Jan. 1, Easter, Thanksgiving, Christmas Eve and Christmas.