Prehistoric Monuments

Henge Monument, Boherhole, Co. Kildare Bullaun, Clane, Co. Kildare Poulnabrone Dolmen, Co. Clare Caherconree Promontory Fort, Dingle Peninsula, Co. Kerry Howth Promontory Fort, Co. Dublin
Piper Stones, Athgreaney, Co. Wicklow Turoe Stone, Co. Galway Horizontal Mill (Reconstruction), Bunratty Folk Park, Co. Clare Newgrange Passage Tomb Browne's Hill Dolmen
Cross-inscribed Standing Stone Shell Midden, Tawin, County Galway Roundwood Togher Creevykeel Court Tomb Iron Age Stone Fort

(Ringforts are included in the Early Christian file)