Gotta check out http://www.xrez.com/

These are some amazing gigapixel photos delivered via an ingenious googlemaps hack. You can zoom right in and see climbers on the face of half dome! Nice Infrared Gigapixel photo of Zion too. Make sure you go into the technology section and see some of the time-lapse.



almost forgot to mention that every time you go to the homepage a different image will load. Go to the gallery if you want to see them all.