"The Jacobite Rising of 1745-6 proved to be the last attempt by the Stewart dynasty to regain the British throne from the Hanoverians. Following Culloden, fought just 8 miles (12km) from Fort George, the government introduced ruthless measures to prevent such a Rising happening again. Fort George was one of them
[…]
Fort George is the only property in the care of Historic Scotland still serving its original purpose."
http://www.historic-scotland.gov.uk/propertyresults/propertyabout.htm?PropID=PL_136&PropName=Fort%20George (It's a stunning place to visit if you ever find yourself up in those parts.)