Ever want to see the operation of a lock and dam? Come to Illinois Waterway Visitor Center! The viewing deck provides a view of towboats and barges of mammoth proportions locking through, as well as the most amazing view of Starved Rock State Park across the river. Watch Bald eagles fish for food during winter months. Observe Great blue heron and American white pelicans during the spring, summer and fall. Call for details on which America The Beautiful National Parks passes are available at this site, our eagle watching season, history, and educational programs. We offer state approved boating classes free to the public, plus boat safety checks!