Ireland, County Mayo, Modern recreation of a stone circle known as 'Deirbhle's Twist' on the North Mayo Sculpture Trail. 20123589.jpg Hugh Rooney

Ireland, County Cork, Drombeg, Drombeg Stone Circle. 20122830.jpg Hugh Rooney / Eye Ubiquitous

Ireland, County Cork, Drombeg, Drombeg Stone Circle. 20122829.jpg Hugh Rooney / Eye Ubiquitous

USA, New York City, Manhattan, Columbus Monument and Trump Tower Hotel, Columbus Circle. 20114248.jpg Mel Longhurst / Eye Ubiquitous

England, Wiltshire, Stonehenge, Prehistoric ring of standing stones. 20109608.jpg Bennett Dean

England, Wiltshire, Stonehenge, Prehistoric ring of standing stones. 20109613.jpg Bennett Dean

England, Wiltshire, Stonehenge, Prehistoric ring of standing stones. 20109612.jpg Bennett Dean

England, Wiltshire, Stonehenge, Prehistoric ring of standing stones. 20109611.jpg Bennett Dean

England, Wiltshire, Stonehenge, Prehistoric ring of standing stones. 20109610.jpg Bennett Dean

England, Wiltshire, Stonehenge, Prehistoric ring of standing stones. 20109609.jpg Bennett Dean

England, Wiltshire, Stonehenge, Prehistoric ring of standing stones. 20109618.jpg Bennett Dean

England, Wiltshire, Stonehenge, Prehistoric ring of standing stones. 20109617.jpg Bennett Dean

England, Wiltshire, Stonehenge, Prehistoric ring of standing stones. 20109616.jpg Bennett Dean

England, Wiltshire, Stonehenge, Prehistoric ring of standing stones. 20109615.jpg Bennett Dean

England, Wiltshire, Stonehenge, Prehistoric ring of standing stones. 20109614.jpg Bennett Dean

England, Wiltshire, Stonehenge, Prehistoric ring of standing stones. 20109622.jpg Bennett Dean

England, Wiltshire, Stonehenge, Prehistoric ring of standing stones. 20109621.jpg Bennett Dean

England, Wiltshire, Stonehenge, Prehistoric ring of standing stones. 20109620.jpg Bennett Dean

England, Wiltshire, Stonehenge, Prehistoric ring of standing stones. 20109619.jpg Bennett Dean

Ireland, County Tyrone, Beaghmore Stone Circles, complex of early Bronze Age megalithic features, stone circles and cairns. 20100411.jpg Hugh Rooney

IRELAND, County Mayo, Mullet Peninsula, Deirbhles Twist, Stone circle made from local granite stones to resemble an ancient stone circle. 20099661.jpg Hugh Rooney

Silhoetted Callanish Standing Stone Circle.European Standing stonesstone circleancientmystic Alba Blue Gray Great Britain History Historic Northern Europe UK United Kingdom 20097920.jpg Justin Williams

Silhoetted Callanish Standing Stone Circle.European Standing stonesstone circleancientmystic Alba Blue Gray Great Britain History Historic Northern Europe UK United Kingdom 20097919.jpg Justin Williams

Callanish Standing Stone Circle.European stone circleancientmystic Alba Blue Gray Great Britain History Historic Northern Europe Religion UK United Kingdom 20097918.jpg Justin Williams

Callanish Standing Stone Circle.European Alba Blue Gray Great Britain History Historic Northern Europe Religion UK United Kingdom 20097917.jpg Justin Williams

Callanish Standing Stone Circle.European Alba Blue Gray Great Britain History Historic Northern Europe Religion UK United Kingdom 20097915.jpg Justin Williams

Callanish Standing Stone Circle.European Standing stones stone circle ancient mystic Alba Blue Gray Great Britain History Historic Northern Europe Religion UK United Kingdom 20097914.jpg Justin Williams

Portugal, Lisbon, Se Cathedral exterior. 20103289.jpg Bennett Dean

Portugal, Lisbon, Se Cathedral exterior. 20103288.jpg Bennett Dean

Portugal, Lisbon, Se Cathedral exterior. 20103287.jpg Bennett Dean

Portugal, Lisbon, Monastery of Sao Vicente de Fora. 20103286.jpg Bennett Dean

Portugal, Lisbon, Monastery of Sao Vicente de Fora. 20103285.jpg Bennett Dean

Portugal, Lisbon, Monastery of Sao Vicente de Fora. 20103283.jpg Bennett Dean

Portugal, Lisbon, Church of Santa Engracia. 20103281.jpg Bennett Dean

Portugal, Lisbon, Church of Santa Engracia. 20103280.jpg Bennett Dean

Portugal, Lisbon, Church of Santa Engracia. 20103279.jpg Bennett Dean

Portugal, Lisbon, Church of Santa Engracia. 20103278.jpg Bennett Dean