Founded in 1924, Knollwood Club in Lake Forest, Illinois, features an 18-hole championship course designed by the renowned British architects H.S. Colt and C.H. Alison. The course is known for its classic parkland layout with strategic bunkering and has hosted prestigious events such as the U.S. Amateur and U.S. Mid-Amateur Championships. Recent restorations have preserved its original design while enhancing playability.