If your trip to Ribiers is all sorted out but your travel itinerary is looking a bit empty, let us give you a helping hand.Sisteron Citadel and Sisteron Cathedral are some fascinating attractions that everybody should make time to check out. Map out your route and spend some time soaking up each one.If you're looking for a reason to venture out and see what's outside the immediate center, Musée Terre et Temps is it. Want another one? La Germanette is also worth the short commute out.