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, 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, Mainland Orkney. Traditional Dry-Stone wall in the Birsay parish, a small settlement on the west coast of mainland Orkney.

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, 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.

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. 4, linking Burray and South Ronaldsay, built by prisoners of war in WW2 to protect the Royal Navy anchorage in Scapa Flow from German U-boats.

England, North Yorkshire, Yorkshire Dales National Park. Deepdale, a secluded valley in the Yorkshire Dales National Park near the village of Dent.

England, North Yorkshire, Yorkshire Dales National Park. Deepdale, a secluded valley in the Yorkshire Dales National Park near the village of Dent.

England, North Yorkshire, Yorkshire Dales National Park. Deepdale, a secluded valley in the Yorkshire Dales National Park near the village of Dent.

England, North Yorkshire, Yorkshire Dales National Park. Deepdale, a secluded valley in the Yorkshire Dales National Park near the village of Dent.

England, North Yorkshire, Yorkshire Dales National Park. Deepdale, a secluded valley in the Yorkshire Dales National Park near the village of Dent.

England, North Yorkshire, Yorkshire Dales National Park. Deepdale, a secluded valley in the Yorkshire Dales National Park near the village of Dent.

England, North Yorkshire, Yorkshire Dales National Park. Deepdale, a secluded valley in the Yorkshire Dales National Park near the village of Dent.

England, North Yorkshire, Yorkshire Dales National Park. Deepdale, a secluded valley in the Yorkshire Dales National Park near the village of Dent.

England, North Yorkshire, Yorkshire Dales National Park. The Cheese Press stones, above Kingsdale, with Ingleborough in the distance.

England, North Yorkshire, Yorkshire Dales National Park. Limestone pavement in Kingsdale, with a small country road in the distance.

England, Lancashire, Morecambe. Tern project maze on the Morecambe Stone Jetty.

England, Lancashire, Morecambe. Sea fog engulfs the stone jetty and lighthouse at Morecambe on Morecambe Bay.

England, Northumberland, Wallington Estate. Stone builiding alongside an ice-covered lake in the Wallington Hall Estate (National Trust) in Northumberland, UK.

England, Northumberland, Wallington Estate. Stone builiding alongside an ice-covered lake in the Wallington Hall Estate (National Trust) in Northumberland, UK.

England, West Midlands, Wordsley. The Red House Glass Cone alongside the Stourbridge Canal at Wordsley near Stourbridge.

England, Northumberland, Woodhorn Colliery Mining Museum. Pit Head Winding Gear at the Woodhorn Colliery Mining Museum near Ashington – Once a former coal pit.

England, Northumberland, Woodhorn Colliery Mining Museum. Modern roof structure of the Cutter building at the Woodhorn Colliery Mining Museum near Ashington – Once a former coal pit.

England, Northumberland, Woodhorn Colliery Mining Museum. Pit Head Winding Gear at the Woodhorn Colliery Mining Museum near Ashington – Once a former coal pit.

England, Northumberland, Woodhorn Colliery Mining Museum. Pit Head Winding Gear at the Woodhorn Colliery Mining Museum near Ashington – Once a former coal pit.

England, Tyne and Wear, Newcastle Upon Tyne. Stone pillars in Leazes Park, the oldest public park in Newcastle, opened in 1873.

England, Tyne and Wear, Newcastle Upon Tyne. Stone pillars in Leazes Park, the oldest public park in Newcastle, opened in 1873.

England, Tyne and Wear, Newcastle Upon Tyne. Stone Eagle in Leazes Park, the oldest public park in Newcastle, opened in 1873.

England, Tyne and Wear, Newcastle Upon Tyne. Stone Lion in Leazes Park, the oldest public park in Newcastle, opened in 1873.