Walnut Grove Farm (Knoxville, Illinois)

The Walnut Grove Farm is a farm complex and historic district located on Knox Station Road 1 mi north of Knoxville, Illinois. George A. Charles, the son of one of Knoxville's founders, established the farm in 1835. Charles, his sons A.G. and A.P., and A.G.'s son George were all both successful farmers and prominent citizens of Knoxville. The farm focused on breeding cattle and growing corn, with an emphasis on the former; at its peak, the farm covered over 1900 acre, 360 acre of which are included in the historic district. The present farm complex includes a main house, a tenant farmer's house, a bank barn that was once among the largest in the state, three additional barns, a hog farrowing building, and a collection of outbuildings.

The farm was added to the National Register of Historic Places on August 24, 1989.