From an award-winning historian of ancient Rome, a definitive history of Hadrian's Wall Stretching eighty miles from coast to coast across northern England, Hadrian's Wall is the largest Roman artifact known today. It is commonly viewed as a defiant barrier, the end of the empire, a place where civilization stopped and barbarism began. In fact, the massive structure remains shrouded in mystery. Was the wall intended to keep out the Picts, who inhabited...