The Walt Disney Archives today announced it will celebrate the 60th anniversary of Disneyland at D23 EXPO 2015 with an exhibit of more than 300 pieces from the park’s incredible history. “Walt Disney Archives Presents—Disneyland: The Exhibit” will be the largest display the Disney Archives has ever showcased at D23 EXPO. The event, presented by D23: The Official Disney Fan Club, will take place August 14–16 at the Anaheim Convention Center. The 12,000-square-foot exhibit, which will be located on the…