The google maps navigation already does that, albeit only when you are closing in the target. But still very useful when looking for a restaurant or a company.
I'm aware they show a snapshot of the destination upon arrival, but I'm not aware of any kind of functionality to see video street previews through the upcoming street(s) during any point in the route.
That requires the driver to manually shift around an area though. Something that automatically hyperlapses through the whole next street or so would be neater.
