May 3, 2012 - Great American Tower at Queen City Square LEED Tour - 6 p.m. - 303 Broadway, Cincinnati, OH 45202 - Free - Max of 20 people. Registration requested, email email@example.com or call 513-260-9025. We'll meet in the lobby for a short introduction for 15 minutes and then go on the tour to include one Office Floor, Fitness Center, and Conference Center. Great American Tower at Queen City Square is downtown Cincinnati’s first and largest “Green” office tower, utilizing numerous environmentally responsible design choices, construction practices and development decisions. The project has been precertified as Gold by the U.S. Green Building Council under the acclaimed LEED (Leadership in Energy and Environmental Design) program, specifically the LEED-Core and Shell (LEED-CS®) certification web site.