Indiana Frank Lloyd Wright fans have reason to celebrate. One of the architect’s designs is on the market in the lakefront Ogden Dunes community. Built in 1939, the 3,669-square-foot dwelling follows the Usonian principals and features some of Wright’s signatures including wide angels and finger-jointed brick corners. Its two-story interior has been impeccably maintained and consists of four bedrooms, large living spaces, two brick fireplaces, and a sauna. The Armstrong Dune House is tucked in a wooded lot where generous glazing and a screened-in porch highlight the natural surroundings.