text: The oldest building in the park is Ashtown Castle , a former papal residence which has been renovated to house the splendid Phoenix Park Visitor Centre ( open 9 : 30am 6 : 30pm ; adults IRa2 , children IRa1 ; concessions ; disabled access ) , which presents a video and an excellent two-floor exhibition on the history and wildlife of the park .
  
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  The wildlife in the park includes deer and raccoons .