Discover the breathtaking beauty and unforgettable adventures that await in Illinois state parks. Lee Mandrell and DeeDee Niederhouse-Mandrell highlight the incredible diversity and natural beauty of the landscapes, flora, and fauna of the state. Marvel at the unique rock formations and 55 foot opening at Cave-In-Rock State Park, or leave the land behind to explore the waterways at Chain O?Lakes State Park. Step into history at Fort Massac State Park, or sit back and enjoy a striking sunset over the cypress grove at Eldon Hazlet State Park, Illinois?largest campground. Just in time for the state bicentennial, Illinois State Parks brings together more than 100 gorgeous full-color photographs highlighting some of the most beautiful and popular state parks in Illinois.