Castles, palaces and châteaux for sale Buy this 12th-century castle in the Dolomites, northern Italy and you'll not only find yourself with 80 rooms to redecorate, but a collection of old Master paintings, a stash of medieval weapons and one of the first mechanical wall clocks (circa 1500). Throne and crown not included. From: Rome Sotheby's International Realty Price: offers over £24 million. Picture: Rome Sotheby's International Realty