Nature center $6; $4 (ages 4-12). Observatory programs $10; $8 (ages 2-12).
Nature center daily 9-5, Memorial Day weekend-Labor Day; Tues.-Sat. 10-4, Mar. 1-Fri. before Memorial Day and day after Labor Day-Oct. 31; Wed.-Sat. 10-4, rest of year. Observatory open Tues.-Sun. 9 p.m.-11 p.m., Memorial Day weekend-Labor Day; hours vary, rest of year. Closed Jan. 1, Thanksgiving and Christmas. Phone ahead to confirm schedule. Allow 30 minutes minimum.