It today serves as a popular lookout point over the Moselle valley .
Above the constituent community of Bernkastel lie the Castle Landshut ruins , a former summer residence of the Archbishops of Trier that was destroyed by fire on 8 January 1692 .
Bernkastel today serves as a popular lookout point over the Moselle valley .
Above the constituent community of Bernkastel lie the Castle Landshut ruins , a former summer residence of the Archbishops of Trier that was destroyed by fire on 8 January 1692 .