Let’s say you’re on the way to Needles. Alright, you’re probably not on your way to Needles. But say you’re headed to Las Vegas or Lake Havasu, and you’re looking for a fascinating stop along the way.

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 ...

MEXICO CITY (AP) — Activists in Mexico have published photos of steel and cement pilings from a government project that were driven directly through the roofs of sensitive limestone caves on the ...