Devenish Island contains one of the finest monastic sites in Northern Ireland. A round tower thought to date from the twelfth century is situated on the island, as are the walls of the Oratory of Saint Molaise who established the monastery in the 6th century, on a pilgrim route to Croagh Patrick in County Mayo. It became a centre of scholarship and although raided by Vikings in 837 and burned in 1157, it later flourished as the site of the parish church and St Mary's Augustinian Priory.
There are extensive low earthworks on the hillside, but the earliest buildings are St Molaise's House (a very small church) and the fine round tower close by, both with accomplished Romanesque decoration of the 12th century. The round tower is some 30 metres tall and can be climbed using internal ladders. It features a sculptured Romanesque cornice of heads and ornament under the conical stone roof. Nearby is a cross carved with spiral patterns and human heads. There are also several cross-slabs, one with an interlace design and a mediaeval carved cross. Near the round tower, the foundations of another tower were found, which the present tower probably superseded.
The smallest of the three churches (Mo-Laisse's House, named after the founder of the monastery) dates from the late 12th or early 13th century. It has narrow antae with bases carved with classical motifs. Only the lower parts of the walls and some of the roofstones survive.
Teampull Mór, the lower church, dates from the early 13th century with a beautifully moulded south window. It was extended to the east in about 1300, and later additions include a residential wing to the north and the Maguire Chapel to the south, with 17th-century heraldic slabs.
On the hilltop sits St Mary's Augustinian Priory which is of the mid-15th century and early 16th century, with church, tower and small north cloister. The priory has an intricately carved mid-15th-century high cross in its graveyard. The Devenish cross dates from the 15th century and is gothic in style. It is thought to have been carved by Matthew O’Dubegan, who also carved the sacristy doorway. The cross has decorative carvings and motifs, including a depiction of the crucifixtion on the upper part of the shaft.
There are several hundred loose architectural fragments on the site and among them are over 40 stones from an otherwise lost, richly-decorated Romanesque church. Some of the many loose stones are displayed and set in their historical context in the small visitor centre.References:
The Naveta d"Es Tudons is the most remarkable megalithic chamber tomb in the Balearic island of Menorca.
In Menorca and Majorca there are several dozen habitational and funerary naveta complexes, some of which similarly comprise two storeys. Navetas are chronologically pre-Talaiotic constructions.
The Naveta d"Es Tudons served as collective ossuary between 1200 and 750 BC. The lower chamber was for stashing the disarticulated bones of the dead after the flesh had been removed while the upper chamber was probably used for the drying of recently placed corpses. Radiocarbon dating of the bones found in the different funerary navetas in Menorca indicate a usage period between about 1130-820 BC, but the navetas like the Naveta d"Es Tudons are probably older.
The shape of the Naveta d"Es Tudons is that of a boat upside down, with the stern as its trapezoidal façade and the bow as its rounded apse. Its groundplan is an elongated semicircle. Externally, the edifice is 14.5 m long by 6.5 m wide and 4.55 m high but it would originally have been 6 m high.
The front, side walls and apse of the edifice consist of successive horizontal corbelled courses of huge rectangular or square limestone blocks dressed with a hammer and fitted together without mortar, with an all-round foundation course of blocks of even greater size laid on edge.