Pioneer Museum is a local history museum that adds a useful stop to the Flagstaff things-to-do map. Flagstaff museum in a former hospital telling the story of northern Arizona settlement. It is worth listing for travellers because it gives the destination a more specific texture than another general viewpoint or shopping street.
Plan it as a focused visit rather than a whole-day anchor unless you already know this is your special interest. Check the official site before going for current opening hours, tickets, and seasonal closures, then pair it with nearby sights in Flagstaff so the detour makes sense on foot, by transit, or by taxi.