This major industrial undertaking has royal status and is the oldest of its type in Europe. The site is a serial property consisting of Wieliczka and Bochnia salt mines and Wieliczka Saltworks Castle.

Hundreds of thousands of tonnes of salt mined here is given to National ... was the deepest mine in all of Europe. Now, it is still the deepest mine in the UK. Because of how far down it goes ...

The chosen location was a salt mine in Austria, which the Nazis tried to bomb later when they realised they were losing the war. How did the art survive? Video by Martina Žoldoš Produced by ...

But extracting the coveted salt means descending into dark caves, then blasting and carrying heavy rock. Faizan Panjwani: The problem is the massive size of the blocks that come from the mine.

The European Commission will offer 615 million euro ($663.7 million) in financing to support three mining projects in Romania ...

Production at Europe's only underground sand mine is set to be doubled following new investment. Sand from Lochaline Quartz Sand (LQS) is used in making windows, glass containers and ceramics.

Deep in the gut of the Picadilly Mine near Sussex, workers once laid off when potash prices shrank, are back underground, trying to keep up with the soaring demand for road salt to be spread on ...