Near Ruidoso, New Mexico lies a 19th century military fort ... Warren Kasper took me to the fenced and gated original cave entrance, which is an 8,000-year-old sinkhole. Upslope is a special ...

Some of New Mexico’s highest mountains and deepest caves are preserved for residents ... via a hike down the cavern’s natural entrance or a ride down the park’s massive elevator shaft ...

Some people arrive at Carlsbad Caverns in Carlsbad, New Mexico ... entrance tickets must be purchased. Depending on your time, interest and physical ability, visitors can select from three main ca ...

Oil and gas drilling could be blocked from a sensitive cave system in Lincoln National Forest, near the Permian Basin oilfields of southeast New Mexico. The U.S. Forest Service proposed ...