For fun and relaxation all year long, 20-acre Civic Park offers a variety of amenities: Civic Hall (for banquets, special events, and recreational classes), a picnic pavilion, a bandstand, two horseshoe pits, and two playgrounds. The newest playground is ADA accessible, with an ADA-compliant walking path connecting the playground to the parking lot. The O'Fallon Historical Society Log Cabin Museum is open for tours by appointment and during special occasions.