You can also use/view a route on RouteYou in GoogleEarth. This is how you can do this:
- Go to a route (i.e. this one).
- Select the Download-button (see figuur above) and select "To GPS or computer".
- Select "Download for Google Earth"
- If you installed Google Earth, you can just click on the downloaded file (.KML/.KMZ), and you can see the route in Google Earth