Museum (good for two consecutive days) and one shot at Challenge Hole $20.95; $19.95 (ages 55+ and military with ID); $10 (students with ID); $5 (ages 5-12). Audio tour $3 or two for $5.
Mon.-Sat. 10-6, Sun. noon-6. Last admission 45 minutes before closing. IMAX schedule varies; phone ahead.