Germany Zeche Zollern, Dortmund

See https://www.lwl.org/industriemuseum/standorte/zeche-zollern/english
"The Zollern Colliery - At first sight palatial redbrick facades and artistically adorned gables on buildings dotted around a grassy square are more reminiscent of an aristocratic residence than a coal mine. This was exactly one of the ideas behind the architecture"

Take your time in the engine hall...

You can park your car right in front