Xanten
Xanten
roman museum in Xanten
roman museum in Xanten
archaeological park in Xanten
archaeological park in Xanten
horizon observatory Recklinghausen
horizon observatory Recklinghausen
ship canal lift Henrichenburg
ship canal lift Henrichenburg
electric power transformation substation Recklinghausen
electric power transformation substation Recklinghausen
coal-mine Zollern II/IV in Dortmund
coal-mine Zollern II/IV in Dortmund
coking plant Hansa in Dortmund
coking plant Hansa in Dortmund
region park north in Duisburg II
region park north in Duisburg II
north star park in Gelsenkirchen
north star park in Gelsenkirchen
stockpile event Emscherblick (tetrahedron)
stockpile event Emscherblick (tetrahedron)
Henrichshut Hattingen (HDR)
Henrichshut Hattingen (HDR)
Henrichshut Hattingen
Henrichshut Hattingen
railway museum in Bochum-Dahlhausen
railway museum in Bochum-Dahlhausen
region park north in Duisburg
region park north in Duisburg
rhenish industry museum in Oberhausen
rhenish industry museum in Oberhausen
gasometer in Oberhausen
gasometer in Oberhausen
coal-mine Zollverein (HDR)
coal-mine Zollverein in Essen (HDR)
coal-mine Zollverein
coal-mine Zollverein in Essen
cathedral and synagogue in Essen
cathedral and synagogue in Essen