Geology from Space Gold, 1024x768   
by Cottonwood Software   

A photo slideshow screen saver with beautiful NASA/JPL radar images of geological formations around the world, including volcanoes, rivers, mountains, ocean floors and more. The false-color palettes used in these images make them beautiful to look at as well as interesting to study. All photos are 1024x768 high-quality images. Other screen saver features include transition effects, black and white mode, password use, and extract photos as wallpaper, including built-in wallpaper cycling every hour or every day.