This story appears in the January 2014 issue of National Geographic ... We arrive at the island in early afternoon. As Salamah, we discover, is nothing more than a giant rock rising from the ...

This story appears in the August 2009 issue of National Geographic magazine ... "has been formerly one vast crater of a now extinct volcano." The lieutenant was right: Yellowstone is a volcano ...

A lava delta is created when molten rock ... National Geographic not reveal its precise whereabouts, except to say that it was created by Hualalai, the island’s third most historically active ...

This story appears in the July 2012 issue of National Geographic magazine ... tall pukao of red scoria, another volcanic rock. They watch over this remote island from a remote age, but when ...

This story appears in the September 2007 issue of National Geographic magazine ... quickly followed by a blistering hail of volcanic rock, the man and the woman hastily abandoned their village ...

This story appears in the April 2011 issue of National Geographic magazine. When? This is the question that has brought two of the world's leading volcano ... sent molten rock flowing toward ...

This story appears in the July 2012 issue of National Geographic magazine. The scene: a tent on Mount Erebus, an active volcano on Ross Island ... The dark fang of rock for which the camp is ...

This story appears in the July 2009 issue of National Geographic magazine ... a hike that in a single day can encompass barren volcanic rock and rich, complex forest, the sound of waterfalls ...