The building at 111 South Michigan Avenue, home of the Art Institute of Chicago, was dedicated in 1893 as the World Congress Auxiliary Building for the World's Columbian Exposition . The building was given to the Art Institute after the end of the exhibition. Designed in the Beax-Arts style by the Boston firm of Shepley, Rutan and Coolidge, the building has become an icon for Chicagoans and tourists. The Modern Wing, the Art Institute's latest and largest addition to date, opened on May 16, 2009, and was designed by Pritzker Prize-winning architect Renzo Piano. The 264,000 square foot addition now houses the museum's collections of modern European painting and sculpture, contemporary art, architecture and design, and photography. The new modern wing is very different from the original Art Institute building due to its materials, location, and the art housed there. It makes sense that a classical art gallery would be housed in a building with a classical style. style, and a modern art gallery would be installed in a more modern building, this is how ...