Barnes castle - Credit: Wikimedia Commons
Barnes Castle is an unfinished castle, with a number of defensive banks, located north-east of Haddington in East Lothian, Scotland. It is close to Athelstaneford on the slopes of the Garleton Hills. The remains, also known as Barney Vaults or The Vaults, are protected as a scheduled monument. Read more on Wikipedia
Source: en.wikipedia.org