Many of the best future steel buildings can work as barns. A barn can feature a large door on one side and a large dome-shaped cover over it. It can also feature a curved design in an upside-down-U shape if needed. These choices can help to store large animals and other things that are found in a farm. The designs for these future steel buildings can also be prepared with previously-tilted steel materials to help ensure that a building will be easy to handle without worrying about any rust or other issues getting in the way of the building process.