Alison Dwyer was in disbelief the first time that Disney called the Vesterheim Norwegian-American Museum in Decorah looking for artifacts to be used as reference for a new movie they were working on. The movie was “Frozen” and though Dwyer was unable to help the first time Disney called, a second call turned out to be more fruitful.“There definitely is excitement that Vesterheim has a connection to the movie ‘Frozen,’ ” said Dwyer, the collections manager for Vesterheim Norwegian-American Museum.