Local News A Look Back At Pittsburgh's Hidden Treasures July 19, 2014 / 8:42 PM EDT / CBS News (Photo Courtesy: Heinz History Center) Pittsburgh’s Hidden Treasures: A Look Back (Photo Courtesy: Heinz History Center) Pittsburgh’s Hidden Treasures: A Look Back (Photo Courtesy: Heinz History Center) Pittsburgh’s Hidden Treasures: A Look Back (Photo Courtesy: Heinz History Center) Pittsburgh’s Hidden Treasures: A Look Back (Photo Courtesy: Heinz History Center) Pittsburgh’s Hidden Treasures: A Look Back (Photo Courtesy: Heinz History Center) Pittsburgh’s Hidden Treasures: A Look Back (Photo Courtesy: Heinz History Center) Pittsburgh’s Hidden Treasures: A Look Back (Photo Courtesy: Heinz History Center) Pittsburgh’s Hidden Treasures: A Look Back (Photo Courtesy: Heinz History Center) Pittsburgh’s Hidden Treasures: A Look Back (Photo Courtesy: Heinz History Center) Pittsburgh’s Hidden Treasures: A Look Back (Photo Courtesy: Heinz History Center) Pittsburgh’s Hidden Treasures: A Look Back (Photo Courtesy: Heinz History Center)