Peter Olsen has submitted a slick 3D version of the Disney Monorail to the Google 3D Warehouse. Not only is a great model, but it actually travels the entire length of the track — over 21,000 steps! Here is a video of the model in action:
You can download the full KMZ file here. Some computers may have issues loading a file with that many steps, so you can also try a slightly shorter version of it if you have any problems with the full file.