The Robert Allerton Park is a 1,517-acre (6.0 km) park, nature center, and conference center located near M onticello, Illinois on the upper Sangamon River. The park and manor house were laid out and built by
i ndustrialist Robert Allerton, who gave the complex to the University of Illinois in 1946. The Allerton Natural Area within the park is a National Natural Landmark. As of 2007, the park was used by approximately 100,000 visitors per year.The sculpture walk at Allerton concludes with The Sun Singer, an Art Moderne bronze of the Greek God Apollo sculpted by Carl Milles in 1929, one of more than 100 sculptures on the grounds. The Sun Singer underwent a $39,000 restoration in June-July 2007 to remove vandal graffiti and restore the patina of the 16 feet
(5 m), 2300 lb (1045 kg) sculpture.