It's been 10 years since Spirit and Opportunity, our two intrepid robot-representatives in space, began roving across the surface of Mars to see what they could see — now some of the very best images are being sent over to live at the Smithsonian as part of an exhibit of images from Mars.

The pictures range from a desolate look over the dunes (above); a Martian sunset; a close-up look at the loose, blueberry-like hematite stones that are embedded into the surface; and a colorized landscape that shows the differences in weathering along the landscape.

Here are some of the best:

Images: NASA/JPL-Caltech/Cornell University