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.

The John J. Glessner House, operated as the Glessner House, is an architecturally important 19th-century residence located at 1800 S. Prairie Avenue, Chicago, Illinois. Built during the Gilded Age, it was designed in 1885–1886 by architect Henry Hobson Richardson and completed in late 1887. The property was designated a Chicago Landmark on October 14, 1970. The site was listed in the National Register of Historic Places on April 17, 1970, and as a National Historic Landmark on January 7, 1976, and is maintained as a house museum.