Clones historian George Knight,  Monaghan county heritage officer Shirley Clerkin and Pat Treanor of  Fáilte, inspect the recently uncovered ruins of the Clones plantation castle that will be on public view for the first time during National Heritage Week. Photograph:  Philip Fitzpatrick

How do you not notice a 17th-century castle hiding in plain sight in the middle of your town? That’s a question the people of Clones, Co Monaghan, are(...)