Ross Castle - Credit: Wikimedia Commons
Ross Castle () is a 15th-century tower house and keep on the edge of Lough Leane, in Killarney National Park, County Kerry, Ireland. It is the ancestral home of the Chiefs of the Clan O'Donoghue, later associated with the Brownes of Killarney.Castleden, Rodin. The Castles of Britain and Ireland. Quercus, 2013 Read more on Wikipedia
Source: en.wikipedia.org