Ekranoplan Casspian The Russian Tank-Ship-Plane. Not exactly a plane but still cool. It flies just over the water because of ground effect. So it can haul a heavy load very efficiently compared to getting it up to altitude. Or floating.
Chinese super airlifter (2) - Pictures leaked on the Internet this past week indicate that it may be the next strategic transport aircraft developed for the Chinese Air Force ( PLAAF - People's Liberation Army Air Force ) .