The American barn is a type of barn that originated in the United States during the 19th century. It is a large, rectangular building that is typically used for agricultural purposes, such as storing hay and grain, housing livestock, and providing shelter for farm equipment. The American barn is characterized by its large size, gambrel roof, and wide open interior space. The gambrel roof is a type of roof that features two slopes on each side, with the lower slope being steeper than the upper one. This type of roof maximizes the amount of usable space inside the barn. The wide-open interior allows for the easy movement of people, animals, and equipment. The American barn has become an iconic symbol of rural America, and it continues to be used on farms and ranches across the United States.