Robert M. Lamp Cottage - Credit: Wikimedia Commons
The Robert M. Lamp Cottage, also known as Rocky Roost, was a summer cottage on a small island on Lake Mendota in Madison, Wisconsin. The cottage was designed by architect Frank Lloyd Wright for boyhood friend, Robert M. Lamp (1866–1916), for whom Wright also designed the Lamp House in Madison. Read more on Wikipedia
Source: en.wikipedia.org