Lathrop-Munn Cobblestone House - Credit: Wikimedia Commons
The Lathrop-Munn Cobblestone House is a 1.5-story Greek Revival-styled house built about 1848 in Beloit, Wisconsin, striking for the care with which the mason arranged the tiny cobbles. In 1977 the building was placed on the National Register of Historic Places. Read more on Wikipedia
Source: en.wikipedia.org