Apr.-Oct. $6 (per private vehicle); $4 (Calvert County residents); $2 (per person entering on foot or by bike). Admission rest of year $3 (per vehicle); $2 (per person entering on foot or by bike).
Daily 9-6 (also Sat.-Sun. 6-8 p.m.), Memorial Day-Labor Day; Fri.-Mon. 9-4 (also Sat.-Sun. 4-5), rest of year. Closed Jan. 1 and Christmas. Phone ahead to confirm schedule. Allow 1 hour minimum.