The Chihuahuan Desert is a sparse but stunning ecosystem straddling the border between Northern Mexico, Southern New Mexico, and West Texas. High in elevation and low in humidity, the desert plays ...

Giant crystals found in Naica min in Chihuahua, Mexico stand up to 36 feet tall and have measured over three feet wide. NASA/METI/AIST/Japan Space Systems, and U.S./Japan ASTER Science Team ...

Crystal Cave in Sequoia National Park is reopening for guided tours after a four-year closure due to natural disasters. The cave, formed in 200 million-year-old marble, features unique geological ...

Crystal Cave, the ancient marble cavern at the end of a steep half-mile hike in Sequoia National Park, is slated to reopen to visitors this summer after four years of closure.The cave features a half ...

There are plenty of natural wonders in the world that are actually incredibly dangerous. The Blue Hole of Santa Rosa, for example, is an unassuming New Mexico lake that's actually a death trap, hiding ...