See Mars as it really looks, from the heights of Olympus Mons (nearly 70,000 feet above the surface), to ancient canyons, to Hellas Planitia, the lowest point on Mars, where a meteorite punched a hole in the surface 1,300 miles wide and five miles deep. Mars Revealed was created for National Geographic with over 1,000 images taken by the Mars Orbiter Camera, and merged with 330 million elevation points to create the sharpest view yet of Mars and its spectacular terrain.Measures 20" x 31". Two sides, laminated, comes in a tube.