From the record
“The International Vinegar Museum is located at 500 Main Street in Roslyn, South Dakota, United States. The museum is located in the former Roslyn Auditorium, a Depression-era brick building built in 1936 with funding from the Works Progress Administration.”
Wikipedia article International Vinegar Museum, CC BY-SA 4.0.
One of 13 National Register listings published here for Day County · listed in 2001 · category: Building · built in 1999.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service