Preservation Chicago Rally to Save Chicago Mercantile Exchange. Photo Credit: Preservation Chicago

Preservation Chicago Rally to Save Chicago Mercantile Exchange. Photo Credit: Preservation Chicago

Preservation Chicago Rally with Studs Terkel to Save Cook County Hospital in 2003. Photo Credit: Chris Walker / Chicago Tribune
Palmer House Lobby, 1925, Holabird & Roche, 17 E. Monroe St. Photo Credit: Eric Allix Rogers