Great stone face of Mars

The Great Stone Face of Mars is one two entrances to the Martian Reservation, the other being the Great stone ass of mars, which is on the other side of the planet. The Great Stone Face of Mars is in the Western Hemisphere of Mars. The Planet Express Crew, Zapp Brannigan and Kif Kroker went there to save Amy Wong from the Martians in the epsode Where the Buggalo Roam.