Chicago Architecture Center

The Chicago Architecture Center (CAC), formerly the Chicago Architecture Foundation, is a nonprofit cultural organization based in Chicago, Illinois, United States, whose mission is to inspire people to discover why design matters. Founded in 1966, its programs include public tours and programs, most notably the docent-led architecture cruise on the Chicago River, and other tours in the Chicago area. The river cruise is ranked in the top ten tours in the U.S. by TripAdvisor users. CAC includes conference and exhibition space, including a scale model of downtown Chicago. Provided by Wikipedia