*Reservations required. Reservation based tickets are non-refundable. You may reschedule up to 24 hours in advance of tour time. You must check in on-site between 15 minutes to 5 minutes prior to your tour time. Any guest not checked in within 5 minutes of their tour time may be considered a no show and their seats may be re-allocated. We will try and fit any late guests on the next available tour if possible.