Knowth, a Neolithic passage grave, ancient monument, UNESCO World Heritage Site of the Bru na Boinne, Drogheda, County Louth, Leinster, Republic of Ireland, Europe

Passage Grave Gavrinis, Carnac, Bretagne, France, Europe

Passage in grave, gavrinis, Carnac, Brittany, France, 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, 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

Grave of John Hartnell, member of the famous lost Franklin Expedition, Beechey Island, Northwest Passage, Lancaster Sound, Nunavut, Canada, Arctic

Crypt arcades, grave counters in the arcade of St. Sebastian's Cemetery, Church of St. Peter, Salzburg, Austria, Europe

Crypt arcades, grave counters in the arcade of St. Sebastian's Cemetery, Church of St. Peter, Salzburg, Austria, Europe

Crypt arcades, grave counters in the arcade of St. Sebastian's Cemetery, Church of St. Peter, Salzburg, Austria, Europe

Grave of the famous lost Franklin Expedition, Northwest Passage, Beechey Island, Lancaster Sound, Nunavut, Canada, Arctic

Sculpture, statue of Jesus in the crypt arcades, tomb counter in the arcade of St. Sebastian's Cemetery, Church of St. Peter, Salzburg, Austria, Europe

Grave of the famous lost Franklin Expedition, Northwest Passage, Beechey Island, Lancaster Sound, Nunavut, Canada, Arctic

Grave of Thomas Morgan, member of the famous lost Franklin Expedition, Northwest Passage, Beechey Island, Lancaster Sound, Nunavut, Canada, Arctic

Newgrange, County Meath, Ireland

Newgrange, County Meath, Ireland, Holstein-Friesian Cattle