The Office of Public Works (OPW), together with the National Parks and Wildlife Service of the Department of Tourism, Culture, Arts, Gaeltacht, Sport and Media are responsible for the a number of heritage sites of Ireland. They undertake protection and conservation of Ireland's heritage (specifically buildings and historic sites). The following is a list of Government owned heritage sites in Ireland. A-C Adare Castle – Adare County Limerick – A medieval fortified castle that was an important stronghold of the Earl of Desmond. Altamount Gardens – Tullow, County Carlow – Old world garden, Robinsonian in style. Ardfert Cathedral – Ardfert, County Kerry – 12th to 17th century Cathedral. Athenry Castle – Athenry, County Galway – 13th century, 3-storey tower house Aughnanure Castle – Oughterard, County Galway – 16th-century tower house. Ballyhack Castle – Ballyhack, County Wexford – 15th-century tower house built by the Knights Hospitallers of St. John Barryscourt Castle – Carrigtwohill, County Cork – 15th to 16th century Castle. Blasket Center – Dunchaoin, County Kerry – interpretation center for native language, culture and tradition of Blasket Islanders. Boyle Abbey – Boyle, County Roscommon – 12th century Cistercian Monastery. Brú na Bóinne – Donore, County Meath Neolithic monuments and interpretative centre. Cahir Castle – Cahir, County Tipperary Carrowmore Megalithic Cemetery – County Sligo Neolithic monuments and interpretative centre. Céide Fields – County Mayo - Neolithic field system Connemara National Park – County Galway – 20 square kilometre park surrounding the Twelve Bens mountains. Coole Park Visitor Centre – Gort, County Galway, Nature reserve, former home of Lady Gregory, one of the founders of the Abbey Theatre Corlea Trackway Visitor Centre – Kenagh, County Longford – an Iron Age bog road, dating from 148BC. D-K Derrynane House – Caherdaniel, County Kerry – Ancestral home of Daniel O'Connell. Desmond Castle – Kinsale, County Cork – a 16th-century Custom house. Desmond Hall – Newcastlewest, County Limerick a 15th-century Castle. Donegal Castle – Donegal, County Donegal – a 15th-century Norman tower house with the addition of a 17th-century Jacobean Manor House. Doneraile Park – Doneraile, County Cork – an 18th-century landscaped park. Dromore Wood – Ennis, County Clare – Nature reserve. Dun Aonghasa – Inishmore, Aran Islands, County Galway – A prehistoric stone fort. Dungarvan Castle – Dungarvan, County Waterford, Castle with a 12th-century shell keep, with curtain wall, corner tower and gate tower. Dunmore Caves – Ballyfoyle, County Kilkenny – limestone cave, site