Chicago Union Station, 1925, Graham, Anderson, Probst and White / D. H. Burnham & Company, 225 S. Canal Street. Photo Credit: Eric Allix Rogers

Chicago Union Station, 1925, Graham, Anderson, Probst and White / D. H. Burnham & Company, 225 S. Canal Street. Photo Credit: Eric Allix Rogers

Chicago Union Station, 1925, Graham, Anderson, Probst and White / D. H. Burnham & Company, 225 S. Canal Street. Photo Credit: Eric Allix Rogers
Chicago Water Tower, 1869, William W. Boyington, 806 North Michigan Avenue. Photo Credit: Eric Allix Rogers