exposed roots of a gigantic tree in starved rock state park, a wilderness area on the illinois river in illinois, usa. autumn

adventure area attraction autumn calming canyons concept dendrology earth ecology education environment explore exposed fall forest gigantic hike hiking illinois landmark landscape leaves magical meditation misterious national nature outdoors park peaceful relaxation river rock rocks roots sandstone scene scenery scenic season starved state surface tourism trail tranquil travel treasure tree usa utica view wilderness xylology