"I'm not sure that people connect the large piles of salt to the massive mining operation happening 2,000 feet below the lake." Workers can enter the mine by taking a four-minute elevator ride.

It is able to store 1,500 megawatt-hours of energy by compressing air into a massive abandoned underground salt mine in ...

The Wieliczka Salt Mine near Krakow is a marvel of human ingenuity and natural beauty, offering visitors a journey into an underground world of lakes, chapels, and chandeliers-all made of salt.

The site is a serial property consisting of Wieliczka and Bochnia salt mines and Wieliczka Saltworks Castle. The Wieliczka and Bochnia Royal Salt Mines illustrate the historic stages of the ...

The rock salt mine in Loulé, recently featured on the TV programme 'Portugal with Michael Portillo', is to become an art gallery for a ...

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.