This is a new site. We haven't gotten any questions yet. But when we do, we will add them to this starter list:
What are the criteria?
Just one: You're enshrining four people/places/things on a particular Mount Rushmore. Who would you put up there? You can base your argument on anything you want.
Where are you building this "Mount Rushmore"?
We're online only. If you want to build a "real" Mount Rushmore, you supply the mountain. Make sure to get all necessary government permits before you start blasting...