England, Northumberland, Warkworth. Warkworth Castle and surrounding snow covered landscape, reflected upon the still waters of the River Coquet on a winter morning.

England, Northumberland, Warkworth. Warkworth Castle and surrounding snow covered landscape, reflected upon the still waters of the River Coquet on a winter morning.

England, Northumberland, Warkworth. Warkworth Castle and surrounding snow covered landscape, reflected upon the still waters of the River Coquet on a winter morning.

England, Northumberland, Warkworth Castle. Warkworth Castle (English Heritage), a magnificent 12th century stone motte and bailey fortress, and surrounding snow covered landscape on a winter morning.

England, Northumberland, Warkworth Castle. Warkworth Castle (English Heritage), a magnificent 12th century stone motte and bailey fortress, and surrounding snow covered landscape on a winter morning.

Republic of Ireland, County Cork, Kealkil Stone Circle. The prehistoric site of Kealkil consists of a small five stone circle and two large monoliths.

Republic of Ireland, County Kerry, Uragh Stone Circle. Waterfall behind the prehistoric Uragh Stone Circle which is located between Lough Inchiquin and Lough Cloonee in Gleninchiquin Park, on the Beara Peninsula.

Republic of Ireland, County Clare, Poulnabrone Dolmen. Poulnabrone Portal Dolmen, an ancient stone tomb dating between 2000 – 2500 B.C., situated on limestone pavement in an area know as 'The Burren'.

Scotland, The Isle of Lewis, Callanish Stone Circle. Callanish Stone Circle, a famous neolithic monument located on the Isle of Lewis in the chain of islands known as the Outer Hebrides.

Scotland, The Isle of Lewis, Callanish Stone Circle. Callanish Stone Circle, a famous neolithic monument located on the Isle of Lewis in the chain of islands known as the Outer Hebrides.

England, Cumbria, Birkrigg Stone Circle. Birkrigg stone circle (also known as the Druid's Temple or Druids' Circle), a Bronze Age stone circle located near Ulverston in the Lake District Peninsulas.

England, Cumbria, Lake District National Park. Stone circle forming part of Burnmoor Complex located on a fellside at the foothills of the mountains known as Scafell and Scafell Pike.

England, Cumbria, Lake District National Park. Stone circle forming part of Burnmoor Complex located on a fellside at the foothills of the mountains known as Scafell and Scafell Pike.

England, Cumbria, Blakeley Rise Stone Circle. Blakeley Rise (also known as Kinniside Stone Circle) located near Ennerdale Bridge in the Western Lake District.

England, Wiltshire, Stonehenge & Avebury World Heritage Site (WHS). Stonehenge, one of the most famous prehsitoric stone cirlcless in the world, Stonehenge is the remains of a ring of standing stones set within earthworks.

England, Wiltshire, Stonehenge & Avebury World Heritage Site (WHS). Stonehenge, one of the most famous prehsitoric stone circles and group of standing stones in the world.

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). 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 situated within the South West Sector of the Avebury Stone Circle.

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

England, Wiltshire, Stonehenge & Avebury World Heritage Site (WHS). Prehistoric standing stones situated within the South West 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 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.

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