– The central building located on the grounds of the Douglas County Courthouse in Armour: originally housed the offices of auditor and register of deeds in 1902. This building was placed on the National Register of Historic Sites in 1976
– In 1981, the society moved an 1884 country school to county property, located east of the museum
– “The Railroad House”: this building was added in 1988 and it furnished and decorated in the period of the early 1900s
– These buildings are open to the public from 1:00 – 4:00 p.m., each Monday, Wednesday, and Friday afternoon and holidays from Memorial day to Labor day, or any other time by appointment