Molson is a ghost town in Okanogan County, Washington, United States. The population was 19 at the 2000 census.The ghost town is also an open-air museum known as Old Molson Ghost Town that includes pioneer buildings, farm machinery, mining equipment and other historic artifacts. It is open seasonally.The Molson Schoolhouse Museum is a separate museum located in a historic schoolhouse building. Displays include hand tools, household artifacts and photographs.