To continue dragging the thread OT, I recommend "Shadow of the Vampire" from 2000, about the making of the 1922 film, with the conceit that Murnau, in order to create a film as "authentic" as possible, found a real vampire to play Count Orlock:
The situation with the Murnau film is similar to that of the Spanish version of 1931's "Dracula", in that parts were missing; much more of the latter, of course, to the extent that it was considered a "lost" film, until a print was discovered in Cuba in the 1960's. Still not generally available until released on home video, in 1992, I believe. Of course, that was a case of simple neglect, rather than deliberate destruction.
I'd been reading about it for decades, and was delighted to finally have it, as it is in many ways superior to the English version; for one thing, Dracula actually rises from his coffin, something Todd Browning wasn't able to figure out how to do. The camera work is much more fluid, too, compared to the Browning version, which, after the great first reel, becomes a bedroom farce without the comedy. The only thing missing is Lugosi.
OTOH, it replaces the bloodless female actresses, to whom one early reviewer quipped "no self-respecting vampire would give a second glance", with much sexier Latinas, especially the delicious Lupita Tovar, who was still alive to give an introduction to the home video release: