Drombeg stone circle site, County Cork, Munster, Republic of Ireland, Europe

Ancient Burial Mound, Newgrange, UNESCO World Heritage Site, County Meath, Republic of Ireland (Eire), Europe

Newgrange, UNESCO World Heritage Site, County Meath, Leinster, Republic of Ireland, Europe

Newgrange, UNESCO World Heritage Site, County Meath, Leinster, Republic of Ireland, Europe

Defensive stone walls of Dun Aengus, prehistoric hill fort, Inishmore, largest Aran Island, Galway Bay, County Galway, Connacht, Republic of Ireland

Knowth, Neolithic passage grave, UNESCO World Heritage Site, prehistoric Bru na Boinne, Valley of the River Boyne, County Meath, Leinster, Republic of Ireland, Europe

Knowth, Neolithic passage grave, prehistoric Bru na Boinne, UNESCO World Heritage Site, Valley of the River Boyne, County Meath, Leinster, Republic of Ireland, Europe

Knowth, Neolithic passage grave, UNESCO World Heritage Site, prehistoric Bru na Boinne, Valley of the River Boyne, County Meath, Leinster, Republic of Ireland, Europe

Knowth, Neolithic passage grave, UNESCO World Heritage Site, prehistoric Bru na Boinne, Valley of the River Boyne, County Meath, Leinster, Republic of Ireland, Europe

Knowth, neolithic passage grave, UNESCO World Heritage Site, prehistoric Bru na Boinne, Valley of the River Boyne, County Meath, Leinster, Republic of Ireland, Europe

Knowth, neolithic passage grave, UNESCO World Heritage Site, prehistoric Bru na Boinne, Valley of the River Boyne, County Meath, Leinster, Republic of Ireland, Europe

Knowth, neolithic passage grave, UNESCO World Heritage Site, prehistoric Bru na Boinne, Valley of the River Boyne, County Meath, Leinster, Republic of Ireland, Europe

Newgrange, County Meath, Ireland, Holstein-Friesian Cattle

Newgrange, County Meath, Ireland