Last year, NASA announced a 3D Printed Habitat Design Competition, challenging designers to develop an architectural concept for a Mars habitat. Of more than 165 submissions, these are the top three. Please Register or Log in to view the hidden image! http://futurism.com/images/heres-nasa-think-martian-homes-will-look-like/ I don't know, but I always imagined them as reversed skyscrapers, going underground, to avoid the radiation and sandstorms.