This is a recent NASA snap of the face megalith, roughly two miles top to bottom:
This is a recent NASA snap of the D&M pyramid, named after its discoverers DePetrie and Molinar, roughly a mile and a half on the long sides:
This is a recent NASA snap of the main Cydonia ring pyramid, about half a mile or so across if memory serves:
This is Tom Van Flandern's analysis of the face megalith at Cydonia. Tom is a former director of the Naval Observatory.
Now, as I hear it, about half of the people at NASA and JPL are willing to believe their eyes and the fact that these kinds of things do not happen in nature. The other half are in denial because the standard view towards a history of our solar system does not allow for Mars to have ever been inhabited.
Ummm...NO!