The History Museum at the Castle is a local history museum located in downtown Appleton, Wisconsin across College Avenue from Lawrence University. Owned and operated by the (OCHS), the museum has previously operated under the names The Outagamie Museum and The Houdini Historic Center. The building was earlier known as Masonic Temple. In 2018 the museum was a recipient of the 2018 National Medal for Museum and Library Service, the highest honor given to a museum or library in the United States.