The Sumner County Museum consists of 3 floors and 10,000 square feet of exhibits and artifacts dating back to prehistoric time. Some of the exhibits include Native Americans, pioneers, a blacksmith shop, a tinsmith shop, war memorials, automobiles, and farm equipment all of which have Sumner County ties. Take an educational walk through time at the Sumner County Museum here in Gallatin, TN.The Sumner County Museum consists of 3 floors and 10,000 square feet of exhibits and artifacts dating back to prehistoric time. Some of the exhibits include Native Americans, pioneers, a blacksmith shop, a tinsmith shop, war memorials, automobiles, and farm equipment all of which have Sumner County ties. Take an educational walk through time at the Sumner County Museum here in Gallatin, TN.