Downingtown Log House - Credit: Wikimedia Commons
Downingtown Log House is an American historic house located in Downingtown, Chester County, Pennsylvania. It was built circa 1700 and is a -story, round log structure measuring 21 feet 9 inches by 25 feet. The building is a house rather than a cabin because log cabins are only one floor. Note: This includes It was added to the National Register of Historic Places in 1979. Read more on Wikipedia
Source: en.wikipedia.org