<human>:  I'm planning a summer vacation to Ireland. What are the must-visit places to visit while I'm there?
<bot>: The top must-visit places to visit in Ireland include the Cliffs of Moher, the Ring of Kerry, the Giants Causeway, the Rock of Cashel, Killarney National Park, Connemara National Park, Powerscourt Gardens and Waterfall, St. Patrick's Cathedral, Blarney Castle, and Dublin Castle.