Ireland, County Offaly, Durrow, Durrow High Cross, West face.

Ireland, County Offaly, Clonmacnoise Monastic Settlement, Replica of the South Cross with Round Tower in the background.

Ireland, County Wicklow, Glendalough Monastic site, The Round Tower emerging from amidst autumn foliage.

Ireland, County Wicklow, Glendalough Monastic site, The Round Tower.

Ireland, County Galway, Aran Islands, Inis Mor, Teampal Bheanain, Ruin of 11th century church.

Ireland, County Galway, Aran Islands, Inis Mor, Teampal Bheanain, Ruin of 11th century church.

Ireland, County Tipperary, Carved Celtic Cross at Ahenny, The South Cross.

Ireland, County Offaly, Clonmacnoise Monastic Settlement, South Cross and Round Tower with River Shannon in the background.

Ireland, County Offaly, Clonmacnoise Monastic Settlement, Temple Finghín and McCarthy's Tower.

Ireland, County Carlow, St Mullins, Ruins of Monastic Site.