England, Wiltshire, Stonehenge & Avebury World Heritage Site (WHS). Prehistoric standing stones within the Southern Inner Circle, situated within the South East Sector of the Avebury Stone Circle.

England, Wiltshire, Stonehenge & Avebury World Heritage Site (WHS). Avebury Henge looking towards the prehistoric standing stones of the Avebury Stone Circle.

England, Wiltshire, Stonehenge & Avebury World Heritage Site (WHS). Prehistoric standing stones within the Southern Inner Circle, situated within the South East Sector of the Avebury Stone Circle.

England, Wiltshire, Stonehenge & Avebury World Heritage Site (WHS). Prehistoric standing stones situated along the Avenue leading to Avebury Stone Circle from West Kennet Long Barrow.

England, Wiltshire, Stonehenge & Avebury World Heritage Site (WHS). Silbury Hill a prehistoric artificial chalk mound located near Avebury Stone Circle.

England, Wiltshire, Stonehenge & Avebury World Heritage Site (WHS). Prehistoric standing stones within the Southern Inner Circle, situated within the South East Sector of the Avebury Stone Circle.

England, Wiltshire, Stonehenge & Avebury World Heritage Site (WHS). Prehistoric standing stones within the Southern Inner Circle, situated within the South East Sector of the Avebury Stone Circle.

England, Wiltshire, Stonehenge & Avebury World Heritage Site (WHS). Avebury Henge looking towards the prehistoric standing stones within the Southern Inner Circle, situated within the South East Sector of the Avebury Stone Circle.

England, Wiltshire, Stonehenge & Avebury World Heritage Site (WHS). Avebury Henge, with a standing stone within the Northern Inner Circle, situated within the North East Sector of the Avebury Prehistoric Stone Circle.

England, Wiltshire, Stonehenge & Avebury World Heritage Site (WHS). Prehistoric standing stones within the Northern Inner Circle, situated within the North East Sector of the Avebury Stone Circle.

England, Wiltshire, Stonehenge & Avebury World Heritage Site (WHS). The Cove, a formation of prehistoric standing stones within the Northern Inner Circle, situated within the North East Sector of the Avebury Stone Circle.

England, Wiltshire, Stonehenge & Avebury World Heritage Site (WHS). Prehistoric standing stones within the Northern Inner Circle, situated within the North East Sector of the Avebury Stone Circle.

England, Wiltshire, Stonehenge & Avebury World Heritage Site (WHS). The Cove, a formation of prehistoric standing stones within the Northern Inner Circle, situated within the North East Sector of the Avebury Stone Circle.

England, Wiltshire, Stonehenge & Avebury World Heritage Site (WHS). The Cove, a formation of prehistoric standing stones within the Northern Inner Circle, situated within the North East Sector of the Avebury Stone Circle.

England, Yorkshire, Yorkshire Dales National Park. The impressive natural rock formations / geology of limestone paving above Malham Cove in the Yorkshire Dales National Park, in Yorkshire.

England, Yorkshire, Yorkshire Dales National Park. The impressive natural rock formations / geology of limestone paving above Malham Cove in the Yorkshire Dales National Park, in Yorkshire.

Scotland, Orkney Islands, Standing Stones of Stenness. The Standing Stones of Stenness, a Neolithic stone circle monument on the mainland of Orkney, Scotland, forming part of the Heart of Neolithic Orkney World Heritage Site

Scotland, Orkney Islands, Italian Chapel. The Italian Chapel on Lamb Holm part of the Orkney Islands, built and decorated by italian prisoners of war during the second world war in 1942.

Scotland, Orkney Islands, Italian Chapel. The Italian Chapel on Lamb Holm part of the Orkney Islands, built and decorated by italian prisoners of war during the second world war in 1942.

Scotland, Orkney Islands, Italian Chapel. The Italian Chapel on Lamb Holm part of the Orkney Islands, built and decorated by italian prisoners of war during the second world war in 1942.

Scotland, Orkney Islands, Italian Chapel. The Italian Chapel on Lamb Holm part of the Orkney Islands, built and decorated by italian prisoners of war during the second world war in 1942.

Scotland, Orkney Islands, Italian Chapel. The Italian Chapel on Lamb Holm part of the Orkney Islands, built and decorated by italian prisoners of war during the second world war in 1942.

Scotland, Orkney Islands, Italian Chapel. The Italian Chapel on Lamb Holm part of the Orkney Islands, built and decorated by italian prisoners of war during the second world war in 1942.

Scotland, Orkney Islands, The Ring of Brodgar. The Ring of Brodgar, a Neolithic stone circle and henge monument on the mainland of Orkney, Scotland, forming part of the Heart of Neolithic Orkney World Heritage Site

Scotland, Orkney Islands, The Ring of Brodgar. The Ring of Brodgar, a Neolithic stone circle and henge monument on the mainland of Orkney, Scotland, forming part of the Heart of Neolithic Orkney World Heritage Site

Scotland, Orkney Islands, The Ring of Brodgar. The Ring of Brodgar, a Neolithic stone circle and henge monument on the mainland of Orkney, Scotland, forming part of the Heart of Neolithic Orkney World Heritage Site

Scotland, Orkney Islands, The Ring of Brodgar. The Ring of Brodgar, a Neolithic stone circle and henge monument on the mainland of Orkney, Scotland, forming part of the Heart of Neolithic Orkney World Heritage Site

Scotland, Orkney Islands, The Ring of Brodgar. The Ring of Brodgar, a Neolithic stone circle and henge monument on the mainland of Orkney, Scotland, forming part of the Heart of Neolithic Orkney World Heritage Site

Scotland, Orkney Islands, The Ring of Brodgar. The Ring of Brodgar, a Neolithic stone circle and henge monument on the mainland of Orkney, Scotland, forming part of the Heart of Neolithic Orkney World Heritage Site

Scotland, Orkney Islands, The Ring of Brodgar. The Ring of Brodgar, a Neolithic stone circle and henge monument on the mainland of Orkney, Scotland, forming part of the Heart of Neolithic Orkney World Heritage Site

Scotland, Orkney Islands, The Ring of Brodgar. The Ring of Brodgar, a Neolithic stone circle and henge monument on the mainland of Orkney, Scotland, forming part of the Heart of Neolithic Orkney World Heritage Site

Scotland, Orkney Islands, Skara Brae Prehistoric Village. Skara Brae, a stone-built Neolithic settlement, located on the Bay of Skaill on the west coast of Mainland Orkney and forming part of the Heart of Neolithic Orkney World Heritage Site

Scotland, Orkney Islands, Skara Brae Prehistoric Village. Skara Brae, a stone-built Neolithic settlement, located on the Bay of Skaill on the west coast of Mainland Orkney and forming part of the Heart of Neolithic Orkney World Heritage Site

Scotland, Orkney Islands, Skara Brae Prehistoric Village. Skara Brae, a stone-built Neolithic settlement, located on the Bay of Skaill on the west coast of Mainland Orkney and forming part of the Heart of Neolithic Orkney World Heritage Site

Scotland, Orkney Islands, Skara Brae Prehistoric Village. Skara Brae, a stone-built Neolithic settlement, located on the Bay of Skaill on the west coast of Mainland Orkney and forming part of the Heart of Neolithic Orkney World Heritage Site

Scotland, Orkney Islands, Skara Brae Prehistoric Village. Skara Brae, a stone-built Neolithic settlement, located on the Bay of Skaill on the west coast of Mainland Orkney and forming part of the Heart of Neolithic Orkney World Heritage Site

Scotland, Orkney Islands, The Ring of Brodgar. The Ring of Brodgar, a Neolithic stone circle and henge monument on the mainland of Orkney, Scotland, forming part of the Heart of Neolithic Orkney World Heritage Site

Scotland, Orkney Islands, The Ring of Brodgar. The Ring of Brodgar, a Neolithic stone circle and henge monument on the mainland of Orkney, Scotland, forming part of the Heart of Neolithic Orkney World Heritage Site

Scotland, Orkney Islands, The Ring of Brodgar. The Ring of Brodgar, a Neolithic stone circle and henge monument on the mainland of Orkney, Scotland, forming part of the Heart of Neolithic Orkney World Heritage Site

Scotland, Orkney Islands, Standing Stones of Stenness. The Standing Stones of Stenness, a Neolithic stone circle monument on the mainland of Orkney, Scotland, forming part of the Heart of Neolithic Orkney World Heritage Site

Scotland, Orkney Islands, Standing Stones of Stenness. The Standing Stones of Stenness, a Neolithic stone circle monument on the mainland of Orkney, Scotland, forming part of the Heart of Neolithic Orkney World Heritage Site

Scotland, Orkney Islands, Standing Stones of Stenness. The Standing Stones of Stenness, a Neolithic stone circle monument on the mainland of Orkney, Scotland, forming part of the Heart of Neolithic Orkney World Heritage Site

Scotland, Orkney Islands, Standing Stones of Stenness. The Standing Stones of Stenness, a Neolithic stone circle monument on the mainland of Orkney, Scotland, forming part of the Heart of Neolithic Orkney World Heritage Site

Scotland, Orkney Islands, Standing Stones of Stenness. The Standing Stones of Stenness, a Neolithic stone circle monument on the mainland of Orkney, Scotland, forming part of the Heart of Neolithic Orkney World Heritage Site

Scotland, Orkney Islands, Standing Stones of Stenness. The Standing Stones of Stenness, a Neolithic stone circle monument on the mainland of Orkney, Scotland, forming part of the Heart of Neolithic Orkney World Heritage Site

Scotland, Orkney Islands, Churchill Barrier. Churchill Barrier No. 3, linking Glimps Holm and Burray, built by prisoners of war in WW2 to protect the Royal Navy anchorage in Scapa Flow from German U-boats.

Scotland, Orkney Islands, Churchill Barrier. Churchill Barrier No. 3, linking Glimps Holm and Burray, built by prisoners of war in WW2 to protect the Royal Navy anchorage in Scapa Flow from German U-boats.

Scotland, Orkney Islands, Churchill Barrier. Churchill Barrier No. 3, linking Glimps Holm and Burray, built by prisoners of war in WW2 to protect the Royal Navy anchorage in Scapa Flow from German U-boats.

Scotland, Orkney Islands, Churchill Barrier. Churchill Barrier No. 3, linking Glimps Holm and Burray, built by prisoners of war in WW2 to protect the Royal Navy anchorage in Scapa Flow from German U-boats.

Scotland, Orkney Islands, Sunken Block Ship. Sunken Block Ship, near Churchill Barrier No. 3 linking Glimps Holm and Burray, sunk to protect the Royal Navy anchorage in Scapa Flow from German U-boats.