EXPO CHICAGO to Bring 100 Leading International Art Galleries to Navy Pier for September 20-23 Debut. CHICAGO (January 31, 2012) -EXPO CHICAGO, The International Exposition of Contemporary/Modern Art and Design, today announced a partnership with Artspace.com, the leading online marketplace for contemporary art. Artspace will provide an online platform for participating exhibitors to showcase works at the fair, as well as an opportunity for collectors to preview the art, plan their ...