Self-guiding tour $30; $15 (ages 6-12). Discovery Tour (includes water, juice and snacks) $60; $30 (ages 6-12). Reservations are required for the Discovery Tour.
Self-guiding tour buses depart on the half-hour daily 9:30-3:30. Discovery Tour is offered daily at 10:30 and 2:30 (with some seasonal exceptions). Visitors must arrive at least 30 minutes prior to bus departure.