The Italian Chapel is a highly ornate Catholic chapel on Lamb Holm in the Orkney Islands and was built by Italian prisoners of war during World War II.
They were housed on the previously uninhabited island while they constructed the Churchill Barriers to the east of Scapa Flow.
Only the concrete foundations of the other buildings of the prisoner-of-war camp survive.
It was not completed until after the end of the war, and was restored in the 1960s and again in the 1990s.
It is now a popular tourist attraction, and a category A listed building.
Reference: Wikipedia
See also: http://www.pbase.com/image/154134887