Tour the South Loop's hottest galleries, take in free concerts, dances and street performances, rack up restaurant and drink discounts and get a first look at Columbia College's Papermaker's Garden at the Wabash Arts Corridor Crawl, a free event as part of EXPO Chicago. Wabash Avenue from Congress Parkway to Roosevelt Road will come to life with arts and culture programming from 5 p.m. to 8 p.m. Sept. 18.