This season, see Illumination: Tree Lights at The Morton Arboretum near Chicago! From Nov. 19 through Jan. 7, 2023, guests can explore 18 different features along a tree-lined one-mile walking trail immersed in color and light. What better time to visit than during the Centennial celebration of a suburban arboreal paradise? Dec. 14 is the date of the Arboretum’s founding in 1922.