A passage grave or passage tomb consists of one or more burial chambers covered in earth or with stone, and having a narrow access passage made of large stones. These structures usually date from the Neolithic Age, and are found largely in Western Europe. When covered in earth, a passage grave is a type of burial mound which are found in various forms all over the world. When a passage grave is covered in stone, it is a type of cairn.
A gallery grave is a form of megalithic tomb built primarily during the Neolithic Age in Europe in which the main gallery of the tomb is entered without first passing through an antechamber or hallway. There are at least four major types of gallery grave, and they may be covered with an earthen mound or rock mound.
Two Rock is a mountain in Dún Laoghaire–Rathdown, Ireland. It is 536 metres high and is the 382nd highest mountain in Ireland. It is the highest point of the group of hills in the Dublin Mountains which comprises Two Rock, Three Rock, Kilmashogue and Tibradden Mountains. The mountain takes its name from the two granite tors that lie to the south-east of the summit. From the summit, which is called Fairy Castle, there are views of much of the Dublin area from Tallaght to Howth to the north while Bray Head, Killiney Hill, the Great Sugar Loaf and the Wicklow Mountains are visible to the south. The summit area is mostly shallow bog while ferns and gorse cover the lower slopes. The mountain is also an important habitat for red grouse.
Moylisha Wedge Tomb, also called Labbanasighe, is a wedge-shaped gallery grave and National Monument located in County Wicklow, Ireland.
Proleek Dolmen is a dolmen and National Monument located in County Louth, Ireland.
Corracloona Court Tomb, commonly called Prince Connell's Grave, is a chamber tomb and National Monument located in the north of County Leitrim in the West of Ireland.
Carricknagat Megalithic Tombs are megalithic tombs and a National Monument located in County Sligo, Ireland.
Moytirra East Court Tomb, commonly called the Giant's Grave, is a court cairn and National Monument located in County Sligo, Ireland.
Cabragh Wedge Tomb, also called Cabragh I or the Giant's Grave, is a wedge-shaped gallery grave and National Monument located in County Sligo, Ireland.
Altore Wedge Tomb is a wedge-shaped gallery grave and National Monument located in County Roscommon, Ireland.
Doorus Demesne wedge tomb is a wedge-shaped gallery grave and National Monument located in County Galway, Ireland.
Caheraphuca wedge tomb is a wedge-shaped gallery grave and National Monument located near Crusheen in County Clare, Ireland.
Ballyhickey Wedge Tomb is a wedge-shaped gallery grave and National Monument located in County Clare, Ireland.
Slievenaglasha wedge tomb is a wedge-shaped gallery grave and National Monument located in County Clare, Ireland.
Tullycommon Wedge Tomb is a wedge-shaped gallery grave and National Monument located in The Burren region of County Clare, Ireland.
Altar Wedge Tomb is a wedge-shaped gallery grave and National Monument located outside the village of Schull, in County Cork, Ireland.
Island Wedge Tomb is a wedge-shaped gallery grave and National Monument located southeast of Mallow in County Cork, Ireland.
Carrowcastle Wedge Tomb is a wedge-shaped gallery grave and National Monument located in County Mayo, Ireland.
Carrowcrom Wedge Tomb is a wedge-shaped gallery grave and National Monument located in County Mayo, Ireland.
Templesaghtmacree is an Early Christian church and National Monument located on Inishmaan, Ireland.
