Home Preservation Circle The Fisher Building, 1896 with 1907 addition, Charles Atwood / D.H. Burnham & Company , 343 S. Dearborn Street. Designated a Chicago Landmark in 1978. Photo Credit: Eric Allix Rogers

The Fisher Building, 1896 with 1907 addition, Charles Atwood / D.H. Burnham & Company , 343 S. Dearborn Street. Designated a Chicago Landmark in 1978. Photo Credit: Eric Allix Rogers

Chicago Tribune Tower, 1922, Howells & Hood, 435 N. Michigan Ave. Designated a Chicago Landmark in 1989. Photo Credit: Eric Allix Rogers

The Fisher Building, 1896 with 1907 addition, Charles Atwood / D.H. Burnham & Company , 343 S. Dearborn Street. Designated a Chicago Landmark in 1978. Photo Credit: Eric Allix Rogers

Pittsfield Building Vestibule, 1923, Graham, Anderson, Probst and White, 55 E. Washington Street. Designated a Chicago Landmark in 2002. Photo Credit: Eric Allix Rogers
Chicago Federal Center, Ludwig Mies van der Rohe, Completed 1974. With Flamingo sculpture by Alexander Calder created 1974. Photo Credit: Eric Allix Rogers