Rick Sr. discovered a 150-year-old abandoned gold mine on a remote Arizona ranch 40 years ago and dreamed of saving the old ...

A former gold mine bunker that hovers above the historic Arizona mining town of Bisbee has been put on the market for $277,000—offering a unique opportunity to turn the deserted cave into the "crown ...

Before the federal government shut down on Wednesday morning, the U.S. Geological Survey said it would team up with Mountain ...