Venturing into the heart of the earth to discover the Cave of Crystals is an adventure like no other. Located in Naica, ...

The largest crystal found in the cave measures ... for similar organisms to exist on other planets. The Cave of Crystals in ...

Naica’s Crystals Cave, maybe the most amazing underground wonder on Earth, was discovered by chance inside the deep mine of Naica, in the State of Chihuahua, Mexico. It is a true geode ... ranging ...

Hidden beneath the surface of Mexico’s ... s largest underwater cave system. Stretching an astonishing 215 miles, this submerged labyrinth of tunnels, caverns, and crystal-clear waterways ...

U.S. News Insider Tip: Café Olé, just outside the Crystal & Fantasy Caves, has one of the best fish sandwiches on the island. A sun hat is essential because you'll sit in the garden while they ...