- This event has passed.
August 18, 2021 All day
Treat your grandchildren to an amazing underground adventure!
Every Wednesday at Lincoln Caverns, all summer long. Treat your grandchildren to this amazing underground adventure. One free grandchild (ages 4-12) per family. Coupon must be presented prior to ticket purchase. Either print the coupon from the discounts page or show it to us from your phone.
Not valid with other coupons, discounts, group tickets, special events, or other offers.