Deep beneath New Mexico’s Guadalupe Mountains lies Lechuguilla Cave, one of the most remarkable systems ever discovered. Known for its giant crystal formations, rare geology and unusual ability to ...

The caverns of Lechuguilla Cave are some of the strangest on the planet. Its acid-carved passages extend for over 120 miles. They’re filled with a wonderland of straws, balloons, plates, stalactites ...

Lechuguilla Cave has been completely isolated from the outside world for over four million years, making it one of the world’s most pristine ecosystems. And yet it’s full of bacteria that are ...

This cave pool, found in the Lechuguilla Cave of New Mexico, appears to be completely pristine. It was discovered in October at Carlsbad Caverns National Park. Max Wisshak photo/Carlsbad Caverns ...