The Ethnographic Museum is Butare's essential stop and one of the strongest museums in East Africa for anyone trying to understand Rwanda beyond headlines. The galleries cover domestic life, agriculture, music, ritual, kingship, crafts, and architecture, with enough depth to reward more than a quick circuit.
Give it two hours if you can. A guide adds useful context, especially for objects whose meaning is not obvious from the label. The grounds are calm too, so this is a good place to let the visit breathe rather than ticking it off between bus rides.