In January 2006 Speleoresearch & Films and the Team la Venta started a three year exploration campain to discover the Naica cave, Chihuahua, Messico. "It seems like walking into an oven. You're hit by ...

The Cave of Crystals is an underground cavern filled with tree-size gypsum crystals, including some of the largest natural crystals ever found. The cave is located around 980 feet (300 meters) deep ...

Deep beneath the sun-scorched plains of northern Mexico, an astonishing underground cave defies belief. In the heart of the Naica Mine, a silver and lead extraction site in Chihuahua, miners once ...

NGC goes inside one of the greatest natural marvels on the planet - a giant crystal cave described as Superman's fortress, with magnificent crystals up to 36 feet long and weighing 55 tons. A team of ...

Wisconsin is home to 50 state parks and 18 National Natural Landmarks. We’ve also got a village known as the troll capital of the world! With so many unexpected adventures and places to discover, why ...

Deep in central Vietnam a giant cave hides an ancient "world" beneath its surface, home to an entire ecosystem.

Giant crystals that can reach sizes larger than houses grow at incredibly slow rates, taking as long as a million years to reach more than two stories tall, scientists now find. Crystals made of ...

Crystal Cave in Sequoia and Kings Canyon National Parks will be closed in 2022 due to road damage caused by last year’s KNP Complex fire. Sequoia Parks Conservancy, which normally offers Crystal Cave ...

Inside Look is a Fresno Bee series where we take readers behind the scenes at restaurants, new businesses, local landmarks and news stories. After a four-year closure due to natural disasters, Crystal ...