PUBLIC EVENT Rialto Square Theatre Sunday, May 3 1PM - Organ concerts, behind- the-scenes tours, ceremonial ribbon cutting, activities, raffles and more! Calling all centenarians - we're celebrating you too! 2PM - Children's activities! Tours, activities, and raffles continue. 4PM - Disney Pixar's "Cars" Movie begins While these Centennial events are free to the public, tickets are required for admission. Guests may obtain tickets at the Rialto Square Theatre Box Office at no cost. PUBLIC EVENT Rialto Square Theatre Sunday , May 3 1PM - Organ concerts , behind- the - scenes tours , ceremonial ribbon cutting , activities , raffles and more ! Calling all centenarians - we're celebrating you too ! 2PM - Children's activities ! Tours , activities , and raffles continue . 4PM - Disney Pixar's " Cars " Movie begins While these Centennial events are free to the public , tickets are required for admission . Guests may obtain tickets at the Rialto Square Theatre Box Office at no cost .