Hells Door It is situated near the small town of Darvaz in Turkmenistan. A few years ago, geologists were drilling for gas when then encountered a very large cavern underground filled with a poisonous gas.
Autumn Landscape, Adirondacks - Photograph by Michael Melford, National Geographic. Sunlight dapples the shoulders of Algonquin and Wright, two of the more than 40 so-called High Peaks that rise above feet. Once blighted by logging and.