Promotional value expires 120 days after purchase. Amount paid never expires. Reservation required, subject to availability; same- and next-day reservations are limited. Must have own transportation to tour location; check schedule for available times and days. Transportation is available for an additional fee for groups of four or larger. Reservations must be booked by phone. Limit 1 per person, may buy 1 additional as gift. Limit 1 per visit. Valid only for option purchased. All goods or services must be used by the same person. Tours subject to weather. May be repurchased every 30 days. Offer is Only Valid on Tuesday. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services. Learn about Strike-Through Pricing and Savings