$20.50; $13.50 (ages 3-11); $10.50 (active and retired military with ID and up to three guests). TILT additional $7. A 48-hour ticket, an annual pass and a FastPass also are available. Phone ahead to confirm rates.
Observatory daily 9 a.m.-11 p.m. (also Dec. 31 11 p.m.-12:30 a.m.). Last admission 30 minutes before closing.