The first half hour or so along with the ending of The Searchers is as fine a bit of western movie that you will ever see. If you ever drove out west through land like that you can get a sense of what the early settlers faced. I would rank Shane next in my list.
That's pretty cool. I had a friend in college that had a photographic memory. He used it with. our test books. You could ask him what was on say page210 of the Dendrology book and he's tell you. Of course he aced every test on the books.