Ripley's Believe It or Not! calls Jack Sammis's Alexandria, Virginia, home the narrowest house in America. According to Jack, the land on which this super skinny house stands was originally an alley. "[There] was walking traffic and also carriage traffic—if you look closely on the walls, you can see the indentations where the wagon wheels would brush up against the wall," he says.
Jack says a former owner of the neighboring house decided to stop the alley traffic by building a house there instead!