The Motovilikha Open-Air Museum shows off the heavy-metal side of Perm: guns, rockets, and industrial machinery from the Motovilikha factories that helped shape the city's military and manufacturing history. It is not a polished museum in the grand capital-city sense, but that roughness is part of the appeal.
For travellers interested in Soviet industry, engineering, or military history, the collection gives Perm a sharper local context than another general city walk. The exhibits are outdoors, so the visit is straightforward and weather-dependent: good in clear weather, bleak but memorable in winter.