$9; $8.10 (ages 65+ and active military with ID); $7 (students ages 18-21 with ID); $5 (ages 6-17). A combination ticket with Andrew Low House and Ships of the Sea Maritime Museum is available.
Guided 40-minute tours depart every half-hour Mon.-Sat. 10-4, Sun. 1-4 (10-1 on day before Thanksgiving, Christmas Eve and Dec. 31). Last tour begins at closing. Closed Jan. 1 and 11-15, Mar. 17, Thanksgiving and Christmas.