The “butterfly” roofline and large windows are signature elements of an atomic house design. When World War II ended and the space race heated up, house architecture changed and reflected the times. Many people were moving to the suburbs, where they wanted a small, single-family home rather than an apartment in a large multi-family building.
The cities that topped the list tend to be smaller and boast a lower cost of living. They're also where people want to move, according to US News & World Report.