If you want real map elements that we want to see, then here you go:
I really like the idea of Alcatraz in the San Fran map, and the Bermuda triangle in the seven seas map. The concept is they are countries that can be attacked but can't attack back.
Thats a fun gimmick but doesn't change gameplay much because you don't have to advance any armies when attacking a single country.
My suggestion is to have a continent that can't attack back. Picture the classic map with a one way border between siam and indonesia. Then if you own the continent and someone wants to take it from you, every army they advance into that area would be trapped. In fact, you could go further and create a map with a central space and a few army-sucking continents spread around the perimeter. It would change gameplay GREATLY and I think its one of the few truly original gameplay ideas that has never been attempted.
Now, one of you graphics geniuses go ahead and make it happen
