The first museum was a log cabin built in 1936, with logs from the Niobrara River. Mrs. Nettie Sellors provided the funds for the structure. Mr. Conrad Budde was the contractor. The addition was added in the 60's. Many artifacts were taken out of storage and put on display nearly filling up the new addition. Mrs. Lucille Parks become the hostess in 1976.
In June of 1991 the Travel and Tourism Committee saw a need for a new visitor's center and an expansion of the museum due to many historical items not being displayed because of a lack of room. A fund drive was initiated and Don and Nina Barton, grandson of Reuben Barton, made a gift of $10,000.00 to start the drive. By June of 1992 the $30,000 had been raised and walls and a roof were up and a dedication ceremony took place.
Sellors Barton Museum holds historical artifacts and an interpretive display about the sandhills, 1800s to 1930s artifacts, plus WWI and WWII memorabilia.