Mines

The only mine for rare earth elements in the United States has been intermittently active since the 1950s.

Large-scale operations in these mines ceased in the 1960s, leaving behind crumbling processing facilities and deserted living quarters.

This innovative mill was built for a legendary gold mine that never came to be.

A literal in-depth look at one of the United States' most cherished coal mines and the questionable working conditions of its laborers

Explore the history of mining in this museum, or in a real mine from the 1920s.

This remote outpost hosts the remains of one of Australia's key sites in the history of convicted laborers.

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

Explore the flooded remains of a limestone mine in Kentucky.

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

This bronze memorial pays tribute to a local dog.

A spectacular slot canyon at the northern edge of Lake Mead National Recreation Area.

Before its closure in 2002, this South Dakota mine was the largest and deepest gold mine in Western Hemisphere.

A former salt mine is now a cool picnic spot for families and asthmatics.

After sitting abandoned for decades, this historic mine is now the only publicly accessible chalk room and pillar mine in North America.

Formed by the collapse of salt mines and later used for dumping industrial waste, these lakes are now part an unusual, biodiverse parkland.