Skinny House

The Skinny House at 44 Hull Street in the North End of Boston, Massachusetts, US, is an extremely narrow four-story house reported by the Boston Globe as having the "uncontested distinction of being the narrowest house in Boston." According to the executive director of the Boston Landmarks Commission, "In a city where there are many narrow lots, this far exceeds the norm. ... As far as we know, it is the narrowest house in Boston." According to local legend, it was built as a spite house.

Source: Wikipedia