From Malin Space Science Systems:
There are a number of Viking Orbiter images of Mars that, from time to time, have been invoked as examples of landforms that look like familiar objects. On of the better examples is the crater Galle (51.1° S, 31.3° W; 215 km across), located on the eastern margin of the large basin Argyre. The “face” was first noticed in synoptic observations taken early in the Viking Orbiter 1 mission. (more)
