You think you have a small house? Check out Dee Williams' 84-Square-Foot home! It's on a trailer so she can move it wherever she'd like. It may not have running water, but it's clean and cozy and provides everything Dee needs. Click through the gallery to see the house inside and out! Footage used on-air courtesy the National Building Museum. Learn more about their House & Home exhibit by visiting www.nbm.org.