Anybody tried World Wind yet. It's a Satellite Imagery program that enables you to zoom from satellite altitude into any place on Earth.
Using Landsat satellite imagery and Shuttle Radar Topography Mission data, you can experience Earth terrain in 3D, just as if you were really there.
Virtually visit any place in the world. Look across the Andes, into the Grand Canyon, over the Alps, or along the African Sahara. The NY and LA Urban Area maps are unreal, you can even see the cars on the streets!!
Below are a few examples: first two are my local playgrounds, and the other one, well you know that.
WARNING: 170MB Download!!