This story appears in the December 2013 issue of National Geographic magazine. It’s a warm winter day in southern ... If any know they’re sharing this landscape with an invisible but ...

From chasing the Northern Lights to hiking across awe-inspiring glaciers, these eight experiences allow you to enjoy the beauty of winter on ... the views of National Geographic, National ...

In winter, surface ice traps the gas ... t yet sophisticated enough to capture that kind of rapid landscape change. But at National Geographic’s request, Katey Walter Anthony and Charles ...

Ecologists now study Lassen's landscape to see what the future may ... Heavy snows close most of the main road in winter. But visitors still enjoy snowshoe hikes and cross-country skiing at ...

Author Ronan O’Connell released National Geographic's list ... fascinating history and unique landscape, Breckenridge is ...