Devastated by the civil wars of the 17th century or by the neglect and deliberate destruction of their owners who saw them as archaic and barbaric, the vast majority of Scottish baronial castles built between 1250 and 1450 survive as little more than skeletal ruins. These reminders of Scotland's past have captured the imaginations of romantics, artists, writers and tourists since the late 18th century. Often set in spectacular surroundings, on cliff-tops,...