We're looking west toward the famous Horseshoe Curve in Altoona, PA. Notice how much more detail is visible in the 1/3 arc second terrain created by ReDem. The track bed is easily seen along with the reservoirs below the Curve.
Below: ReDem 1/3 Arc Second Terrain
Above: ReDem 1/3 Arc Second Terrain
Below: Native Rail Simulator Terrain
Above: Native Rail Simulator Terrain