(Washington)
Olmstead Place State Park is a 217-acre (88 ha) Washington state park that preserves a working pioneer farm in Kittitas County. Park activities include picnicking, hiking, fishing, interpretive activities, wildlife viewing, and touring the living farm museum. The park was added to the National Register of Historic Places in 1971. (Ref: https://en.wikipedia.org/wiki/Olmstead_Place_State_Park)