I had a quick look at the new exhibition at the British Museum, this week: Egypt: faith after the pharaohs. It's got some big and topical themes, looking at the relationship there between Christianity, Islam and Judaism between 30 BC (when Egypt became a Roman province) and 1171 (the end of the Fatimid dynasty).
One of the symbols of the show is the basalt bust of (probably) the Roman prince Germanicus, with a cross carved into his forehead. But there are all kinds of other treasures both local and from further afield. The Codex Sinaiticus, for example, the earliest complete text of the New Testament, has made the trip from the British Library down the road.
But for me the most striking objects were all those things that survive so well in Egypt in the hot dry conditions and we rarely see elsewhere.