https://twitter.com/XGameofThrones/status/628549845729587201/photo/1 HBO build castles wherever they want. Well, castle sets. Here's one that many local residents simply spotted after driving past on their daily routine at Moneyglass. There was speculation that the castle would form part of Winterfell, and that Sophie Turner (Sansa Stark) was seen in the area, which would all make sense... If Sansa Stark was still in Winterfell.