archaeological park in xanten, roman harbour temple on the lower rhine, north rhine-westphalia, germany, unesco world heritage

nordrheinwestfalen archaeologischer rhinewestphalia archaeological constructed foundations archaeology niederrhein settlement westphalia inferioris fortified frontiers germaniae limestone nordrhein rhineland westfalen heritage original cultural frontier germanic historic imposing lorraine harbour germany partial replica colonia traiana western borders columns emperor history soaring trajana xanten temple unesco german empire border europe harbor trajan roman lower rhine north world