Derreenataggart Stone Circle, County Cork. This image was photographed for the Legacy project, a fascinating not-for-profit endeavour to capture the mystifying stone remains of prehistoric sites scattered across the British Isles. Please visit www.thelegacyproject.org.uk for more information.

Poulnabrone Dolmen, County Clare. This image was photographed for the Legacy project, a fascinating not-for-profit endeavour to capture the mystifying stone remains of prehistoric sites scattered across the British Isles. Please visit www.thelegacyproject.org.uk for more information.

Northern Ireland, Country Antrim, Giant's Causeway. Rainbow behind the hexagonal basalt rock formations of the Wishing Chair, part of the Giant's Causeway Coast World Heritage site.

Northern Ireland, Country Antrim, Giant's Causeway. The sun sets behind the hexagonal basalt rock formations of Giant's Causeway Coast World Heritage site.

Northern Ireland, Country Antrim, Giant's Causeway. The sun sets behind the hexagonal basalt rock formations of Giant's Causeway Coast World Heritage site.

Northern Ireland, Country Antrim, Giant's Causeway. The sun sets behind the hexagonal basalt rock formations of the Wishing Chair, part of the Giant's Causeway Coast World Heritage site.

Ballynoe Stone Circle, County Down. This image was photographed for the Legacy project, a fascinating not-for-profit endeavour to capture the mystifying stone remains of prehistoric sites scattered across the British Isles. Please visit www.thelegacyproject.org.uk for more information.

Threestoneburn Stone Circle, Northumberland. This image was photographed for the Legacy project, a fascinating not-for-profit endeavour to capture the mystifying stone remains of prehistoric sites scattered across the British Isles. Please visit www.thelegacyproject.org.uk for more information.

Duddo Five Stones, Northumberland. This image was photographed for the Legacy project, a fascinating not-for-profit endeavour to capture the mystifying stone remains of prehistoric sites scattered across the British Isles. Please visit www.thelegacyproject.org.uk for more information.

Callanish Stone Circle (No 4), Isle of Lewis. This image was photographed for the Legacy project, a fascinating not-for-profit endeavour to capture the mystifying stone remains of prehistoric sites scattered across the British Isles. Please visit www.thelegacyproject.org.uk for more information.

Callanish Stone Circle (No 3), Isle of Lewis. This image was photographed for the Legacy project, a fascinating not-for-profit endeavour to capture the mystifying stone remains of prehistoric sites scattered across the British Isles. Please visit www.thelegacyproject.org.uk for more information.

Bernera Standing Stones (Callanish No 8), Western Isles. This image was photographed for the Legacy project, a fascinating not-for-profit endeavour to capture the mystifying stone remains of prehistoric sites scattered across the British Isles. Please visit www.thelegacyproject.org.uk for more information.

Callanish Stone Circle, Isle of Lewis. This image was photographed for the Legacy project, a fascinating not-for-profit endeavour to capture the mystifying stone remains of prehistoric sites scattered across the British Isles. Please visit www.thelegacyproject.org.uk for more information.

Callanish Stone Circle (No 2), Isle of Lewis. This image was photographed for the Legacy project, a fascinating not-for-profit endeavour to capture the mystifying stone remains of prehistoric sites scattered across the British Isles. Please visit www.thelegacyproject.org.uk for more information.

The King Stone, Oxfordshire. This image was photographed for the Legacy project, a fascinating not-for-profit endeavour to capture the mystifying stone remains of prehistoric sites scattered across the British Isles. Please visit www.thelegacyproject.org.uk for more information.

The Rollright Stones, Oxfordshire, England. This image was photographed for the Legacy project, a fascinating not-for-profit endeavour to capture the mystifying stone remains of prehistoric sites scattered across the British Isles. Please visit www.thelegacyproject.org.uk for more information.

The Cove at Avebury Stone Circle, Wiltshire. This image was photographed for the Legacy project, a fascinating not-for-profit endeavour to capture the mystifying stone remains of prehistoric sites scattered across the British Isles. Please visit www.thelegacyproject.org.uk for more information.

Longstone Cove (Also know as Adam and Eve stones and Beckhampton Avenue), Wiltshire. This image was photographed for the Legacy project, a fascinating not-for-profit endeavour to capture the mystifying stone remains of prehistoric sites scattered across the British Isles. Please visit www.thelegacyproject.org.uk for more information.

West Kennet Long Barrow, Wiltshire, England. This image was photographed for the Legacy project, a fascinating not-for-profit endeavour to capture the mystifying stone remains of prehistoric sites scattered across the British Isles. Please visit www.thelegacyproject.org.uk for more information.

Silbury Hill, Wiltshire. This image was photographed for the Legacy project, a fascinating not-for-profit endeavour to capture the mystifying stone remains of prehistoric sites scattered across the British Isles. Please visit www.thelegacyproject.org.uk for more information.

The Cove at Stanton Drew, Somerset. This image was photographed for the Legacy project, a fascinating not-for-profit endeavour to capture the mystifying stone remains of prehistoric sites scattered across the British Isles. Please visit www.thelegacyproject.org.uk for more information.

Stanton Drew North East Stone Circle. Somerset. This image was photographed for the Legacy project, a fascinating not-for-profit endeavour to capture the mystifying stone remains of prehistoric sites scattered across the British Isles. Please visit www.thelegacyproject.org.uk for more information.

The Great Circle at Stanton Drew, Somerset. This image was photographed for the Legacy project, a fascinating not-for-profit endeavour to capture the mystifying stone remains of prehistoric sites scattered across the British Isles. Please visit www.thelegacyproject.org.uk for more information.

Moel Ty Uchaf Stone Circle, Denbighshire. This image was photographed for the Legacy project, a fascinating not-for-profit endeavour to capture the mystifying stone remains of prehistoric sites scattered across the British Isles. Please visit www.thelegacyproject.org.uk for more information.

Bryn Cader Faner Cairn-Circle, Gwynedd, Wales. This image was photographed for the Legacy project, a fascinating not-for-profit endeavour to capture the mystifying stone remains of prehistoric sites scattered across the British Isles. Please visit www.thelegacyproject.org.uk for more information.

Devils Arrows, North Yorkshire. This image was photographed for the Legacy project, a fascinating not-for-profit endeavour to capture the mystifying stone remains of prehistoric sites scattered across the British Isles. Please visit www.thelegacyproject.org.uk for more information.

Barbrook 1 Stone Circle, Derbyshire. This image was photographed for the Legacy project, a fascinating not-for-profit endeavour to capture the mystifying stone remains of prehistoric sites scattered across the British Isles. Please visit www.thelegacyproject.org.uk for more information.

Nine Stones Close Stone Circle, Derbyshire. This image was photographed for the Legacy project, a fascinating not-for-profit endeavour to capture the mystifying stone remains of prehistoric sites scattered across the British Isles. Please visit www.thelegacyproject.org.uk for more information.

Nine Ladies Stone Circle, Derbyshire. This image was photographed for the Legacy project, a fascinating not-for-profit endeavour to capture the mystifying stone remains of prehistoric sites scattered across the British Isles. Please visit www.thelegacyproject.org.uk for more information.

Arbor Low Stone Circle, Derbyshire. This image was photographed for the Legacy project, a fascinating not-for-profit endeavour to capture the mystifying stone remains of prehistoric sites scattered across the British Isles. Please visit www.thelegacyproject.org.uk for more information.

Seven Stones Of Hordron, Derbyshire. This image was photographed for the Legacy project, a fascinating not-for-profit endeavour to capture the mystifying stone remains of prehistoric sites scattered across the British Isles. Please visit www.thelegacyproject.org.uk for more information.

Stonehenge, Wiltshire. This image was photographed for the Legacy project, a fascinating not-for-profit endeavour to capture the mystifying stone remains of prehistoric sites scattered across the British Isles. Please visit www.thelegacyproject.org.uk for more information.

Wayland's Smithy, Oxfordshire. This image was photographed for the Legacy project, a fascinating not-for-profit endeavour to capture the mystifying stone remains of prehistoric sites scattered across the British Isles. Please visit www.thelegacyproject.org.uk for more information.

Avebury Stone Circle, Wiltshire. This image was photographed for the Legacy project, a fascinating not-for-profit endeavour to capture the mystifying stone remains of prehistoric sites scattered across the British Isles. Please visit www.thelegacyproject.org.uk for more information.

Mayburgh Henge, Cumbria. This image was photographed for the Legacy project, a fascinating not-for-profit endeavour to capture the mystifying stone remains of prehistoric sites scattered across the British Isles. Please visit www.thelegacyproject.org.uk for more information.

Birkrigg Stone Circle, Cumbria. This image was photographed for the Legacy project, a fascinating not-for-profit endeavour to capture the mystifying stone remains of prehistoric sites scattered across the British Isles. Please visit www.thelegacyproject.org.uk for more information.

Swinside Stone Circle, Cumbria. This image was photographed for the Legacy project, a fascinating not-for-profit endeavour to capture the mystifying stone remains of prehistoric sites scattered across the British Isles. Please visit www.thelegacyproject.org.uk for more information.

White Moss SW Stone Circle, Cumbria, England. This image was photographed for the Legacy project, a fascinating not-for-profit endeavour to capture the mystifying stone remains of prehistoric sites scattered across the British Isles. Please visit www.thelegacyproject.org.uk for more information.

White Moss NE Stone Circle, Cumbria, England. This image was photographed for the Legacy project, a fascinating not-for-profit endeavour to capture the mystifying stone remains of prehistoric sites scattered across the British Isles. Please visit www.thelegacyproject.org.uk for more information.

Blakeley Rise Stone Circle, Cumbria. This image was photographed for the Legacy project, a fascinating not-for-profit endeavour to capture the mystifying stone remains of prehistoric sites scattered across the British Isles. Please visit www.thelegacyproject.org.uk for more information.

Greycroft Stone Circle, Cumbria. This image was photographed for the Legacy project, a fascinating not-for-profit endeavour to capture the mystifying stone remains of prehistoric sites scattered across the British Isles. Please visit www.thelegacyproject.org.uk for more information.

Castlerigg Stone Circle, Cumbria, England. This image was photographed for the Legacy project, a fascinating not-for-profit endeavour to capture the mystifying stone remains of prehistoric sites scattered across the British Isles. Please visit www.thelegacyproject.org.uk for more information.

Long Meg and her Daughters, Cumbria. This image was photographed for the Legacy project, a fascinating not-for-profit endeavour to capture the mystifying stone remains of prehistoric sites scattered across the British Isles. Please visit www.thelegacyproject.org.uk for more information.

Croft Moraig Stone Circle, Perthshire. This image was photographed for the Legacy project, a fascinating not-for-profit endeavour to capture the mystifying stone remains of prehistoric sites scattered across the British Isles. Please visit www.thelegacyproject.org.uk for more information.

Aviemore Stone Circle , Scottish Highlands. This image was photographed for the Legacy project, a fascinating not-for-profit endeavour to capture the mystifying stone remains of prehistoric sites scattered across the British Isles. Please visit www.thelegacyproject.org.uk for more information.

England, Northumberland, Seaton Sluice. Night time scene of Charlies Garden, a rock formation located in Collywell Bay, Seaton Sluice.

England, Northumberland, Seaton Sluice. Night time scene of Charlies Garden, a rock formation located in Collywell Bay, Seaton Sluice.

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, 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.