The UK is home to many ancient sites, but few are as fascinating as the abandoned Roman gold mines hidden in the Welsh ...

Just because a mine has been exhausted of its ore, that doesn't necessarily mean it has no value. A 2023 study suggests that the shafts of such abandoned mines could serve as energy-storing gravity ...

But look more closely and it’s easy to see the marks of American westward expansion. Thousands of abandoned mines remain scattered across these vast landscapes, relics of the land and gold rushes of ...