Vidmap is a very cool Google Maps mashup that enables anyone to create a Google Map that tracks the action in a video. Press play on the video below and you'll get a good idea of what is capable with Vidmap.
The example above is a video map of Michael Schumacher's pole lap in the 2003 Monza Grand Prix. Vidmap has many other examples of maps that geographically track the action in an accompanying video. Even better Vidmap lets you create your own maps from your own videos.