• Unston Cairn
  Park in front of the house. The key hangs in a box at the back door. The cairn on the edge of the Loch of Stenness contains an excellent example of a communal chambered tomb typical of Stone Age times.   

                                                                                                    The main chamber is divided by upright slabs into compartments. The pottery found here gave rise to the name Unstan ware which dates from the mid-fourth millenium BC.

• Stones of Stenness with its few remaining stones. Ring of Brodgar. - The Bronze Age stone circle stands in an impressive site on a neck of land between the lochs of Stenness and Harray. Of the original 60 stones 27 remain _ upright. Two entrance causeways interrupt the encircling ditch. Once back onto the main road continue only for a short distance. Park beside Tormiston Mill.
• Maes Howe - means great mound a Neolithic chambered cairn 26ft high, 115ft in diameter and is encircled by a ditch it is a outstanding piece of achievement and craftsmanship in a age when the only tools were flint and stone. built prior 2700BC the tomb is of a quality to be a tomb of a chieftain or ruling family SKARA BRAE (Mainland) On the west coast of Mainland. Overlooking the Bay of Skaill, clusters a group of Stone Age dwellings. Long protected by sand, the site is well preserved and provides a vivid picture of life in Neolithic times. Period of occupation. - Most of the knowledge of this best preserved of all Northwest European Neolithic villages comes from the excavations of Professor Childe in 1928-9, and smaller but more detailed excavations in 1972-3. Radiocarbon dating shows the two main periods of settlement belong between about 3100 BC and 2500 BC. The inhabitants and their activities. The first inhabitants grew grain and kept cattle, sheep and pigs and fished in the sea