 Artifacts include the famous Portland Penny used to decide the name of the city, Captain Robert Gray's storage chest from aboard the "Columbia Rediviva", a 10,000-year-old sandal, memorabilia from the Lewis and Clark Centennial Exposition, Native American artifacts, a miniature vehicle collection, and many everyday items from jars to dresses.Permanent exhibits at the museum include Oregon My Oregon, a display covering Oregon’s history from early settlement to current times.Significant items include a reproduction of a ship's hull, a 1940s-era mercantile store, a complete lunch counter from a diner, and a 9,000-year-old sandal.