581 Highway 85 S., Grassy Butte, ND
Grassy Butte Post Office
Built in 1912 with logs and native clay. Used until 1962. Pioneer architecture and sod roof.
Cost of Admission
- Admission: Free
- Hours of Operation: During May and June the facility is open weekends from 9 a.m.-4 p.m. From July 1-Labor Day, the facility is open every day from 9 a.m.-4 p.m.