If you haven't downloaded the latest (as of today) version of Google earth, do it right now! Install it, fire it up, and check the "Gigapxl Photos" check-box under "Featured Content" in the layers panel. Then, double-click on the words "Gigapxl Photos" to see what's out there. I've only looked at a few so far, but they are truly amazing.
Navigate your way down to Florida and double-click on the "Space Shuttle Discovery" image icon. Click on the "Fly into..." link and watch the show. Once the image is displayed, you can navigate around it just as you would with Google Earth. Try double-clicking on the car just out from the right tread of the transport. If you zoom in far enough, you can actually read the license plate!
Make your way over to Arizona and double click on the icon for "Angel's Widow" in the Grand Canyon. Fly into that picture and zoom your way toward the dark spot on the top of the outcropping on the right side of the image. Zoom all the way in and be sure to notice the chain-link fence. These images are totally mind-blowing.
I expect that I'll now be