NASA just recently released some of the pictures that the shuttle took with the Shuttle Radar Topography Mission in 2000 at
http://www.nasa.gov/HP_news_03096.html .
You can go to the JPL to download the high (and I do mean *HIGH*) resolution TIFFs, or just look at the small ones they show. The North America one's really cool-looking and is 208MB. The one they have of the Yucatan is 617MB
and goes even deeper in detail. I thought I could see some roads on there (straight lines) when I zoomed in all the way.
Linear Mode
