Face on old equator: Today, the Face is located at 41° north latitude, and is tilted from upright (north-oriented) by an angle of 21°. Prior to the last major pole shift on Mars [P.H. Schultz, “Polar wandering on Mars', Sci.Amer. 253 (Dec.), pp. 94-102 (1985)], the Face was located on the Martian equator and oriented upright.