linn cove viaduct

america american appalachia appalachian architectural architecture background beautiful beauty blue blueridge bridge carolina cove curve drive driving engineering green highway hike horizon horizontal infrastructure landmark landscape line linn lush mountain mountains mountaintop national natural nature nobody north outdoor outdoors over overlook overpass park parks parkway pass raised range ridge road roads roadway roan route scene scenery scenic shenandoah smoky southern spring street structure summer technology tourism trail transit transportation travel travelling tree trees trip usa vehicle viaduct view woods