Valkenburgh is an absolute delight at Christmas with all the streets, open spaces, shops, restaurants, cafes and bars beautifully decorated and sparkling with a vast amount of lighting. As we wandered through the paved streets we caught glimpses of the floodlit Castle Ruins which is quite a climb up to it and worth the effort. The castle was built in the 12thC, destroyed in the 17thC. Escape tunnels lead to the Velvet Caves.These with the Municipal Caves house the Christmas Markets. The Romans started excavations about 2000 years ago mining the marl to use as building material. There are wall paintings and plaques expressing the past and a guided tour is not to be missed. Although they are reffered to as caves truly they are ancient mine workings. We acquired a street map to explore the rest of the town.