Calderas Bay Salt Mines

A glimpse of mining history just beyond the tree line.

An isolated early 20th-century gold mine in the remote Pine Forest Range contains much preserved equipment.

An ancient impact crater on the outskirts of Pretoria.

Medieval streets buried beneath a papal fortress now form an underground city you can walk through.

In spite of its medieval appearance and name, this building actually dates back to the Industrial Revolution.

These massive concrete foundations and smelter chimney bricks still smell like smoke after a century.

This site contains preserved ruins and industrial remnants of Western Australia's mining heritage.

A mining camp built around an unexpected occurrence of silver.