909 W. Lock & Dam Rd. | Quincy, IL
On the national register of historic places.
Covers 1,075 acres along the mighty Mississippi, just south of Quincy.
Prime bald-eagle viewing + seasonal observation deck. Eagles have been wintering here since the opening of this impressive system in 1938. Hundreds of eagles per day have been spotted on-site during peak season. Drive to the boat launch for the best view.