The ruined Dominican friary was founded in 1253 by Felim O'Conor. On the north wall of the chancel is a niche holding a late 13C statue of Felim with his foot on a dog. Beneath this, a plaque (probably 15C) depicts eight soldiers, probably foreign me..

High on a promontory stand the impressive ruins of a Norman castle, built in 1269 by Robert of Ufford and once protected by a lake or marsh. Its massive walls, which are defended by circular bastions at each corner, enclose a large rectangular area. ..

In the middle of a field stands a large round granite boulder decorated with curvilinear patterns in the Celtic style of ornamentation known as La Tène (250 BC).