Promotional value expires 120 days after purchase. Amount paid never expires. Appointment required. Subject to weather. Subject to availability Valid only at Roswell Mill, Allatoona Pass Battlefield, or Whittier Mill Valid only Monday-Thursday Merchant's standard cancellation policy applies (any fees not to exceed Groupon price). Limit 3 per person. May be repurchased every 365 days. Must use promotional value in 1 visit. Valid only for option purchased. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services. Learn about Strike-Through Pricing and Savings