As MGM's hit show Vikings on the History Channel follows the adventures of Ragnar Lothbrok and his brother Rollo, TV Historian Ashley Cowie unearths a rare Viking sea chart beneath Rosslyn Chapel in Scotland. Identifying important seats of power in the Viking's Nordic empire, it indicates a land far to the west of Britain. Is this chart the earliest representation of North America ever discovered?Hidden in a chamber beneath Rosslyn Chapel in Scotland, TV Historian Ashley Cowie discovered a unique group of symbols and spent ten years exhaustively deciphering their meaning. After presenting his research at the International Science Festival his discovery was tested by professional scientists at Bradford University who confirmed that he had discovered an extraordinarily rare Viking sea chart.