L-Q
- Muckross House - Killarney, County Kerry - Victorian House and Cardens located in Killarney National Park.
- Muckross Friary - Killarney, County Kerry - 15th century Francisican friary.
- Kilmacurrage Arboretum - Rathdrum, County Wicklow
- Listowel Castle - Listowel, County Kerry - 13th century Castle.
- Maynooth Castle - Maynooth, County Kildare - 13th century Castle.
- Newmills Corn and Flax Mills - Letterkenny, County Donegal - restored industrial buildings powered by watermill on the River Swilly.
- O'Dea Castle - County Clare - a 15th century castle with high cross and visitor's centre
- Old Mellifont Abbey - Tullyallen, Drogheda, County Louth - Ireland's first Cistercian abbey.
- Ormonde Castle - Carrick-on-Suir, County Tipperary - 1560s Elizabethan manor house
- Patrick Pearse's Cottage - County Galway
- Parke's Castle - County Leitrim
- Portumna Castle - Portumna, County Galway
Read more about this topic: Heritage Sites (Ireland)