Built in an U shape, the open portion of the U faces east towards the Organ Mountains. Entry to the museum is at the center of the base of the U into an entrance hall with fireplace, a gift shop, and a window wall framing the distant Organ Mountains.
The left wing contains two exhibition halls and offices and meetings rooms, while the right wing features an auditorium, additional meeting rooms, and a restaurant. There is a separate building housing exhibits dealing with milk and a shed for blacksmithing demonstrations.