Wow! Google Maps. Wow! Google Earth. Wowsy-wow-wow Google Sky.
Yep. Google are launching lots of free Apps. Even better if you have some artistic talent, you can use Sketch-up and render your house for all to see when flying around. But if flying around is what you really want to do, Google have though of that too. Apparently there is a secret flight-sim built into Google Earth. Read all about it here.