Chicago Federal Center, Ludwig Mies van der Rohe, Completed 1974. With Flamingo sculpture by Alexander Calder created 1974. 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

Row of classic vernacular Chicago two-flats on Leclaire Avenue, circa 1910 to 1915.  Photo Credit: Eric Allix Rogers
The Krause Music Store, 1922, Louis Sullivan, 4611 N. Lincoln Ave. Photo Credit: Eric Allix Rogers