I think Demeris might be thinking of a different museum - there is indeed a charge. Contact the museum directly for more details on the exact fee, for school tours the chaperones might be free but you might need to schedule it in advance
It is self guided, there is a charge. But it's well worth it.https://history.idaho.gov/location/museum/
Discount? There's no charge to visit. It's a self-guided tour
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