Cue the Lawrence of Arabia theme. The Mars Reconnaissance Orbiter's HiRISE camera took this picture of the hardy Opportunity rover trekking across Martian sand dunes on its way to Endeavour crater, its next target to explore. The 10-mile journey is expected to take about two years at a pace of 100 yards a day. Click here for the full photo—Opportunity is in the lower left corner. And this is how it looks from the rover's point of view.