Armory (Hearthfire)

"If you like nothing better than to spend a day hammering metal, or are simply a collector of armor and weapons, the Armory is for you. With space for smithing, as well as plenty of room to display your martial collections in style, the Armory is the perfect addition to any house"

- The Beginner's Guide to Homesteading

The Armory is a possible addition for the East Wing of a house built in.