Walking out of the Santa Barbara Salt Cave in Santa Barbara, California, my fiancé, Jordan, and I both felt salt on our lips—much like you do when you get out of the ocean after a long swim. Made from ...

This article was originally published with the title “ Ancient Salt Mines of the Indians ” in Scientific American Magazine Vol. 135 No. 2 (August 1926), p. 116 doi:10.1038 ...

The massive underground facility, which has been used to store archives since the 1960s, remains a crucial but convoluted hub for US government records.

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.

Underground chapels around the world each hold a distinct charm. Some of the most famous ones are located in the Wieliczka ...

Veteran miners work deep underground to satisfy roaring demand for road salt during a cold and icy winter in New Brunswick.