Portfolio View fullsize Rock art at Knockmore, Co. Carlow View fullsize Leacanabuaile Stone Fort, Co. Kerry View fullsize Knowth, Co. Meath View fullsize Dolmen de Antelas, Viseu, Portugal View fullsize Loughcrew, Co. Meath View fullsize Newgrange from Above View fullsize Chamber of Newgrange View fullsize Beaker Pottery and Cremated Bone View fullsize Laser Scanning at Knowth, Co. Meath View fullsize Blade of Sunlight inside Cairn L, Loughcrew, Co. Meath View fullsize Menga Dolmen, Antequera, Spain View fullsize Chamber of Knowth's western passage tomb Knowth, Co. Meath View fullsize Newgrange from above View fullsize Passage tomb beads and pendants, Knowth, Co. Meath View fullsize Oldbridge, Co. Meath View fullsize Stone Corridor, University College Cork View fullsize Rock Art at Kealduff, Co. Kerry View fullsize Rock Art at Drumirril, Co. Monaghan View fullsize Winter Solstice at Newgrange, Co. Meath View fullsize Chamber of Gavrinis, Morbihan, Brittany View fullsize Megalithic Art inside Knowth