Free events The 606 Chicago. Guide to the 606. The 606 is offers free things to do for all ages spring, summer and fall. For The Love of Stars When: Fri, Oct 12, 7:00 pm - 9:30, Nov 9, Dec 14, 2018 7:30 pm - 10:30 pm. Where: Exelon Observatory at Ridgeway Trailhead. Monthly … [Read more...] about Free events The 606 Chicago