Piobull Fhinn Stone Circle, Isle Of North Uist. 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.

Grange Stone Circle, County Limerick. 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.

Carrowmore Megalithic Cemetery, County Sligo. 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.

Beltany Stone Circle, County Donegal. 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.

Beaghmore Stone Circle, County Tyrone. 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.

Aikey Brae Stone Circle, Aberdeenshire, Scotland. 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.

Tyrebagger Stone Circle, Aberdeenshire, Scotland. 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.

Midmar Kirk Stone Circle, Aberdeenshire, Scotland. 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.

Cullerie Stone Circle, Aberdeenshire, Scotland. 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.

Lundin Links Stone Circle, Fife, Scotland. 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.

Easter Aquhorthies Stone Circle, Aberdeenshire, Scotland. 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.

Loanhead of Daviot Stone Circle, Aberdeenshire, Scotland. 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.

Cothiemuir Wood Stone Circle, Aberdeenshire, Scotland. 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.

Old Keig Stone Circle, Aberdeenshire, Scotland. 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.

Auchquhorthies Stone Circle, Aberdeenshire, Scotland. 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.

Whitehill Stone Circle, Aberdeenshire, Scotland. 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.

Sunhoney Stone Circle, Aberdeenshire. 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.

Clune hill Stone Circle, Aberdeenshire. 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 Stanes Stone Circle, Aberdeenshire. 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 Three Kings, 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.

Newgrange, County Meath. 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.

Drombeg 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.

Cashelkeelty Stone Circle, County Kerry. 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.

Kealkil 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.

Shronebirrane Stone Circle, County Kerry. 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.

Uragh Stone Circle, County Kerry. 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.

Ardgroom 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.

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.

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.