Public tour $30; $20 (ages 0-9, ages 65+ and students and military with ID). Audio tour $12; $11 (students ages 12-18); $10 (ages 0-11, ages 65+).
Public tours are given daily at 12:30 (tickets are available at the GCT Tour window on the main concourse); reservations required. Private 1-hour walking tours are available by appointment. Audio tours are available Mon.-Fri. 9-6, Sat.-Sun. 9-7 from the GCT Tour window on the main concourse. Public and audio tours are not offered Thanksgiving and Christmas.