$24; $18 (ages 65+, U.S. veterans and U.S. college students with ID); $15 (ages 7-17); free (ages 0-6, family members of 9/11 victims, rescue and recovery workers, active and retired military with ID and free to all Tues. after 5 p.m.). Guided tour additional $20. Reservations are recommended.
Station: World Trade Center
Sun.-Thurs. 9-8, Fri.-Sat. 9-9. Last admission 2 hours before closing. Phone ahead to confirm schedule. Allow 3 hours minimum.