Alongside the nostalgic appeal of Route 66 lurk ghostly roadside hitchhikers, the Goatman of Rolla, amusement park spirits, Civil War dead and the shadows thrown by the mighty Thunderbird. Spanning three hundred dangerously curving miles, the stretch of the Mother Road in Missouri earned the title of Bloody 66, ? and some of its stopping places are marked by equally grim history. The Lemp Mansion saw family members commit suicide one by one. Springfield's...