With its three coal mines, the German city of Herten was, for a long time, the largest mining city in Europe. Schlägel Eisen is one of the mines that can still be found there.
Dive into the heart of Germany's industrial past with a captivating exploration of the Ruhr area's relics. From the towering furnaces of Dortmund to Duisburg's Landschaftspark and Essen's historical complexes, explore a bygone era of industrial might. Discover which industrial heritage sites are Unesco World Heritage.
With its three coal mines, the German city of Herten was, for a long time, the largest mining city in Europe. Schlägel Eisen is one of the mines that can still be found there.
In 1847, the coal and steel industry in the German Ruhr area reached cruising speed as industrialist Franz Haniel erected a coal mine in Essen.
Get the latest stories straight to your inbox
Latest from the blog
On the occasion of International Art Nouveau Day, celebrated each year on June 10, a look at how this ornate architectural movement found its way into the most unlikely of places like coal mines, power stations, and railway yards and the long, sometimes heartbreaking battles to save what remains.
All photos and stories are copyrighted. Of course, linking to articles on the site is possible and allowed.
If you would like to use photos or articles from this website, please contact bart@hiddenmonuments.com.
© 2003-2026 Hiddenmonuments.com