Art Loop celebrates the onset of autumn with a spooky celebration of fall favorites. Enjoy family friendly Trick or Treating, artist pumpkin carving, creative costumes, live music, and lots of scary fun. Costumes encouraged! Art Loop is free and open to all. Wristbands are $1.25 and include unlimited bus rides all evening. Find Info Booth and parking at the Art Loop Hub at the Main Library, 325 N. Michigan St.