Starved Rock State Park is best known for its fascinating rock formations, primarily St. Peter sandstone, laid down in a huge shallow inland sea more than 425 million years ago and later brought...

Canyons, streams, prairie and forest combine to delight visitors at Matthiessen State Park. Located in central LaSalle County, approximately four miles south of Utica and three miles east...

Buffalo Rock State Park is located on a bluff which was once an island in the Illinois River. Now standing majestically on the north bank, this promontory affords a magnificent sweeping view...