Monument Europalia in Houffalize, Belgium (opens in new tab)

Nadrin is a small country village located between Houffalize and La Roche-en-Ardenne, almost two hours by car south-east of Brussels. Situated in the Parc Naturel des Deux Ourthes, Nadrin boasts a number of remarkable natural sites, including the Nisramont Dam, the Hérou Rock, and the archaeological site of the Cheslé fort. As you leave the village heading south-east, a group of white megaliths and a dolmen-like structure await you by the side of the road. However, this ensemble does not date...