Coddu Vecchju - one of Sardinia’s show sites, and rightly so – it’s so pretty and so perfect.
http://www.themodernantiquarian.com/site/10536/coddu_vecchju.html

Barnenez cairn - huge, spectacular and unsung gem of northern Brittany.
http://www.themodernantiquarian.com/site/9939/barnenez.html

Uffington White Horse - an absolutely unique work of art.
http://www.themodernantiquarian.com/site/303/uffington_white_horse.html

Choosing those was hard!