$3; free (ages 0-11, ages 60+, military and students with ID and to all first Sun. of the month and first Thurs. of the month 6-9 p.m.). Ages 0-12 must be with an adult.
Mon.-Fri. free for first 90 minutes; $1 each additional hour with $8 maximum for whole day; free (5 p.m.-6 a.m.).
Tues.-Sat. noon-5 (also first Thurs. of the month 6-9 p.m. year-round and first Sun. of the month 1-4, Feb.-May and Oct.-Dec.). Closed Jan. 1, July 4 and Christmas.