Miners drilling through limestone in Chihuahua, Mexico, broke into an extraordinary chamber in 2000 and found something that defied geological expectations: gypsum crystals taller than telephone poles ...

The Sistine Chapel is often compared to ancient and awe-inspiring natural or archaeological sites because of its immense scale and artistic complexity. Mexico has its own natural wonder worthy of a ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. The interior of the Cave of Crystals in Mexico with a person for scale. The Cave of Crystals is an underground cavern filled with ...

These huge gypsum crystals in Mexico's Naica caves, some up to 12m long, have been growing for tens of thousands of years -- but scientists have only now discovered what's inside them. "We've ...

Add Yahoo as a preferred source to see more of our stories on Google. There's a reason why the crystal cave remains closed to the public — with temperatures up to 136 degrees Fahrenheit, it is ...