The Miracle of America Museum is a non-profit organization dedicated to the preservation of one of the largest collections of American history. Gil & Joanne Mangels founded the Miracle of America Museum in 1981.

Over the years the collection has grown and has received overwhelming support from the surrounding community and visitors that come from all over the world. In 2014 the museum had 18,000 visitors from the entire 50 United States, all 10 Canadian provinces, and 24 foreign countries. The museum also attempts to give back to the local community and sponsors several educational tours for elementary and secondary level schools throughout Montana.