The builders of Mingary Castle on the Ardnamurchan peninsula in Scotland may have been illiterate, but they left their mark on history through their graffiti. The markings, discovered recently in the castle's chapel, were probably inscribed when the chapel was first built, between 1265 and 1295. (photo)
The graffiti was found on four chapel walls during a restoration project. It includes a ship, a lighthouse, and the letter "I", believed to be the first letter of a name. "This must be amongst the oldest graffiti in Scotland," said local historian Jon Haylett.