A 17th century residence (possibly the original Maxwell House?!), built inside a forbidding triangular medieval fortress, surrounded by a romantic moat, besieged by the English, ruined by religion. Plus a colony of Natterjack toads AND the site of an earlier castle.
What more could you ask?
It is about 6 miles south of Dumfries off the B725. Follow the A75 west from the M6/M74.