To drone on a bit more. My concept of a curator's position is one that is responsible for a "collection" that collection can be rocks, bugs, guns, shoes, garden tools or even buildings. Part of that responsibilty is having in-depth knowledge of that collection. Being a curator should be a career path by itself. A curator is, again in my view, not an administrator not someone who is putting in a couple of years before they can move up to being a director or assistant director. Of course, every year far more historic sites of one sort or another open than close so overall employment goes up. Art museums and natural history museums are a different kettle of fish and are areas where I have much less experience..