wooden trestle viaduct of the old railroad, harpers ferry, wv, usa

transportation architecture appalachian engineering winchester appalachia historical shenandoah september transport landscape structure undefined railroad waterway landmark overpass american elevated historic national virginia trestle viaduct harpers potomac ailroad walkway tourism america history outdoor railway wooden bridge estate church states tracks travel ferry river track plant civil grass green truss arch tree park lawn rail road west wood old usa war