August 28-30. Vanderburgh County 4-H Center, 201 E. Boonville-New Harmony Road. Thousands of vintage cars will roll in for this annual event, presented by the Evansville Iron Street Rod Club to benefit Easter Seals and other charities. In addition to concessions, games, and celebrity frog races, there will be a car parts swap meet. 8 a.m.-4 p.m. Fri.-Sat.; 8 a.m.-2 p.m. Sun. $5; free for children 12 and under. (812) 428-3764 or www.frogfollies.org.