Kasteel Wijlre in Gulpen-Wittem

You're standing at Wijlre Castle, on the river Geul, in the South Limburg village of Wijlre. What you see isn't a fortress with towers, but a stately manor house on a moated site. It's built of brick with bands of marl in between. On the roof sits a small turret. Take a look at the side wall facing the street. There's a remarkably large sundial on it.