This four-part program features a "Head End" ride in an Amtrak F40PH diesel engine over the former Pennsylvania Railroad's main line from Philadelphia to Pittsburgh, Pa. PART THREE....Leaving Huntingdon passing through the scenic Allegheny Mountains stopping at Tyrone, Altoona then around the famous "Horseshoe Curve" and on to Johnstown. COLOR - SOUND - l HOUR 50 MINUTES