Castillo gótico de Loket, República Checa
Château de Trédion - Morbihan, Bretagne - close up view
Row, row, row your boat in your moat!
Hermitage Castle, Scotland (Lots of pictures. Photographer says, "Despite the ruins, so much of Hermitage remains intact. The sense of history about the place is palpable...
Conwy Castle, Wales.
Cliff Castle, Trapani, Sicily (via Roslyn Ore)
Castle gate, Scotland