gateway at clonmacnoise monastery, county offaly, ireland

ancient ireland history architecture monastery clonmacnoise religion church landmark tourism travel europe ruins celtic irish historic heritage culture stone cathedral tower historical sky medieval county building temple grave graveyard shannon grass cemetery monument landscape abbey monastic religious eire summer ciaran gaelic cementry christian graveslabs religios gravestone celt tombstone tomb christianity countryside catholic tourist destination missionary worship high ruin pilgrimage river burial attraction gateway architecture landmark building urban travel tourism monument historic arch landscape view heritage ancient destination attraction gate