From a mars panorama pictures website. Pretty cool stuff, I just made one of them my desktop.

And on a side note, the author of that site is on crack. He’s boasting about firefox (only the best broswer in the known world) and crackin on IE, while at the same time, displaying one of the worse choices in webpage colors and fonts I’ve seen in a long while. I’m surprised he didn’t use the blink tag anywhere.