aachen cathedral allies alte nationalgalerie altes museum bamberg bauhaus berlin berlin cathedral berlin state museums bode museum bremen roland cologne cathedral dresden elbe valley eisleben frederick william iv of prussia geographic coordinate system german language german reunification germany goslar heinrich schliemann james simon gallery karl friedrich schinkel limes germanicus list of unesco world heritage sites in the united kingdom list of world heritage sites in europe list of world heritage sites in poland lustgarten maulbronn abbey mines of rammelsberg museum neues museum palaces and parks of potsdam and berlin pergamon museum prussia prussian cultural heritage foundation quedlinburg quedlinburg abbey regensburg reichenau island rhine gorge speyer cathedral spree stralsund troy unesco weimar wies church wikimedia commons wismar wittenberg world heritage site zollverein coal mine industrial complex