To Threave Castle, the home of Galloway rulers for a thousand years. The castle was built for Archibald 'The Grim' in the 14th Century. It is situated on an island in the River Dee, 1 mile west of Castle Douglas, Kircudbright, Scotland. Click here to explore the castle in 3D. Use your arrow keys to move around. Shockwave required, get the free plug-in here.