Delve into Celtic culture and mythology touring the National Museum of Ireland’s exhibit entitled “Glendalough: Power, Prayer and Pilgrimage.” Twenty-six objects from Glendalough never before displayed to the public celebrate one of Ireland’s most important monastic sites. Delve into Celtic culture and mythology, starting with the Tuatha dé Dannan, a mythical race of people from early Irish literature that brought four magical items to Ireland from cities—since disappeared—in the Northern Ocean.