Pack a picnic lunch for your family and head to Columbus State Universitys Oxbow Meadows to Picnic with the Tortoises at 1 p.m. Aug. 18. Future dates are Sept. 8 and 22, and Oct. 6 and 20. Its free but bring $1 to buy lettuce, if you want to feed the tortoises. Pre-registration is not required. 706-507-8800.