Blue Mountain Sanatorium
United States
Blue Mountain Sanatorium was a former tuberculosis sanatorium located in Walla Walla, Washington, United States. The sanatorium operated from 1935 to 1954. The buildings then continued as a hospital (until 1968), then a convalescent center (until 1999), before becoming a private residence.
Hospital data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).