Contray to TripAdvisor's map, this is not in Fes but in the heart of the Marrakech Medina, just up from Ali Ben Youssef Madrasa.
There are three floors of wonderful photography from around Morocco from the 1890s which give you a sense of just how little the old town has changed (except for the damn motorbikes!).
There is a terrace with a lovely view across the souks and alleyways and you can have a snack while looking over the Atlas mountains.
There is a also a shop selling prints of the photos should you want to take Marrakech home with you.
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