Standing Stones of Stenness

The Neolithic Barnhouse Settlement is sited by the shore of Loch of

Ness of Brodgar is an archaeological site covering

Maeshowe (or Maes Howe) is a Neolithic chambered cairn and passage

The Ring of Brodgar (or Brogar, or Ring o' Brodgar) is a Neolithic

Cuween Hill Chambered Cairn (grid reference ) is a Neolithic chambered

North Gaulton Castle is a sea stack off the western coast off the

Skara Brae (pronounced ) is a large stone-built Neolithic settlement,

Unstan (or Onstan, or Onston) is a Neolithic chambered cairn located

Skara Brae (pronounced ) is a large stone-built Neolithic settlement,

The Basilica of Constantine or Aula Palatina at Trier is a Roman

Unstan (or Onstan, or Onston) is a Neolithic chambered cairn located

Midhowe is a large Neolithic chambered cairn located on the south

Poulnabrone Dolmen (Poll na mBrón in Irish meaning 'hole of sorrows')