Kisimul Castle - Credit: Wikimedia Commons
Kisimul Castle () and also known as Kiessimul Castle,"Barra, Kiessimul Castle". CANMORE. Retrieved 23 August 2013. is a medieval castle located on a small island off Castlebay, Barra, in the Outer Hebrides, Scotland. It gets its name from the Norse ciosamul, meaning "castle island". Read more on Wikipedia
Source: en.wikipedia.org