Excelsior - Lake Minnetonka Historical Society Museum offers residents of the community numerous types of artifacts and exhibits about the south Lake Minnetonka area including the Excelsior Amusement Park, Excelsior High School, local businesses and the famous Lake Minnetonka sailing vessel, the Onawa. The society works to preserve and document the history of the area and also presents various types of lectures and programs throughout the year, educating the community on its history. Check the main site for membership rates or more details on artifacts or upcoming exhibits.