pavillon at historic building elisenbrunnen overlooking friedrich wilhelm platz in aachen north rhine-westphalia germany

aachen aixlachapelle aken architecture art attraction building cathedral center city column culture detail elise elisenbrunnen europe european fountain german germany hall health historic hot imperial kaiserquelle landmark medieval monument neoclassicism old ornament pavillon people pillar rhinewestphalia source spa spring stink sulfur thermal tourism town unesco water well