What began as a routine pre-Memorial Day cleanup became one of America’s longest-running environmental disasters. In May 1962, officials in the small Pennsylvania town of Centralia ignited a landfill ...

From Europe to North America, an energy revolution is breathing new life into empty, long-forgotten coal mine shafts—by repurposing them into places to store renewable energy. Using "gravity batteries ...

Dozens of people get injured or die in the U.S. every year because they don’t follow this simple advice: Stay out of abandoned and active mines and surrounding lands. Abandoned mines are not history ...

We explored one of the most dangerous abandoned mines in Utah — a massive trench system stretching for miles and dropping up ...

Not all explorers are relegated to the pages of history books. One modern-day explorer is shedding light on some pretty dark places. Dan Lopez has spent the last 10 years exploring the dark abandoned ...

A Joshua Tree National Park hiking trail hides a secret abandoned shelter that offers visitors who can find it a glimpse of ...

Millions of abandoned mines worldwide could help store renewable energy, heat buildings, and support cleaner power grids.

Explore 15 eerie images of abandoned coal mines, revealing forgotten tunnels, decaying equipment, and the haunting remains of ...

Kayaking through the Etowah River Tunnel in Georgia offers an adrenaline-pumping adventure through an abandoned mine.