Victoria Crater of Mars
If you could fly over Mars in an airplane, you could look down and see Victoria Crater in all its magnificence. This image was taken by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter. This false-color image shows the crater's steep walls. Some of the cliffs around the crater are vertical, but the slopes themselves are no more than 30 degrees. NASA has studied the Victoria Crater extensively, including a visit by the Mars rover, Opportunity.