This perspective view, taken by the High Resolution Stereo Camera (HRSC) on board ESA's Mars Express spacecraft, shows the complex caldera of Olympus Mons on Mars, the highest volcano in our Solar System.
Read more:
http://www.esa.int/export/SPECIALS/Mars_Express/SEMKC2W4QWD_0.html
Its a drawing, that's toooooooo much like a cover from a SCIFI mag.