11 Wild Volcano Facts

At least 1,500 active volcanoes dot the globe, and some of them have been continuously erupting for years.

They form when molten rock called magma up and breaks through a weak area of Earth's surface. The chambers that contain magma can quietly lurk underground for hundreds of years, and then erupt with surprising fury. Here are some amazing facts

Source:
http://www.livescience.com/environment/crazy-volcanoes-facts-100416.html

The Mega Crystals of Naica Mine PICS

A filmmaker braved Earth's hellish depths to walk amongst the largest mineral crystals in the world.

Nestling up to a cauldron of pressurized, molten rock is almost never a good idea. But in Mexico's Naica mine, the payoff is worth the risk.

Source:
http://news.discovery.com/earth/naica-big-pics.html