The campaign to protect the Organ Mountains-Desert Peaks area in southern New Mexico has been 10 years in the making, but last week, President Barack Obama designated nearly a half-million acres of the rugged — and spectacular — desert terrain as the country's newest national monument. The proclamation, which Obama signed at the Department of Interior Wednesday, creates the largest national monument of Obama's presidency so far, according to the Washington Post. The Organ Mountains, named for their similarity in...

Known as the "Land of Fire and Ice" because of its abundant glaciers and violently active volcanoes, Iceland has made its mark on the map as a destination for outdoor enthusiasts from all corners of the globe. In just a little more than 10 years, between 2000 and 2012, the number of international tourists to visit the country more than doubled, said a study by the Icelandic Tourist Board. The population is just over 300,000, meaning number of locals was...

Perfectly situated in the middle of the passage this giant calcite stal boss makes a huge statement. Dwarfed by it's sheer size, Hong Meigui team member; Matt Ryan can only look up in amazement. This is one of many gigantic formations in San Wang Dong. (Robbie Shone) More people have been to the moon than to some of the caves Robbie Shone has photographed. His passion is showing people above ground what lies secretly beneath the earth's surface. "I'm obsessed...