National Geographic Islam's Fault Line Pakistan September 2007

Cave Crawlers { Cave Creatures; Discoveries In the Dark: Troglobites} Eyeless spiders, translucent millipedes, 175- year- old crayfish, and other odd cave dwellers face an uncertain future. BY KEVIN KRAJICK PHOTOGRAPHS BY DAVID LIITTSCHWAGER Vesuvius Countdown { Vesuvius; Vesuvius: Asleep For Now} In A. D. 79, the world’s most dangerous volcano buried the town of Pompeii. The next blast could be much bigger. BY STEPHEN S. HALL PHOTOGRAPHS BY ROBERT CLARK Glacier- Waterton { Glacier- Waterton: Crown of the Continent} By 2030, Glacier National Park may have lost all its glaciers. But with turquoise lakes, bighorn sheep, and two- mile- high peaks, Glacier- Waterton will always be a wonderland. BY DOUGLAS H. CHADWICK PHOTOGRAPHS BY MICHAEL MELFORD Indonesia’s Undersea Eden { Raja Ampat; Ultra Marine: Raja Ampat} Efforts are in high gear to safeguard the coral reefs of far eastern Indonesia, where biologists have found a trove of biodiversity.