Joined: Wed Feb 28 2007, 12:14am
Location: Under Your Mom's Meat Flaps!
Posts: 14373
Select a location and switch to satellite view. Zoom in as far as you can, and click 'link to this page' at the top right. Now replace the 'z' parameter in the URL with a higher value, e.g. 20, 22, or 23, and wait. Some locations will now show more detailed imagery.
Go from this:
To this:
You can see the difference between the above shot of the Googleplex, which is at "maximum zoom," and the super zoomed shot.