Klehm Arboretum- Rockford, Illinois: Eerie Autumn Lights at Klehm Arboretum is a fall - themed walk with family- friendly decorations, yummy fall treats, a hay bale maze, and happy skeletons along the route! Take the lit path after stopping at the vintage food truck with fall- themed goodies. Enjoy the photo ops along the path to the nature- themed play space, then walk across the bridge, where you can admire the lily pads! Take a picture with Rockford’s biggest pumpkin, weighing over 1800 pound