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A man stands on top of the Matterhorn Berg on Ross Island, in the Ross Dependency of Antarctica, during Captain Robert Falcon Scott's Terra Nova Expedition to the Antarctic, 8th October 1911. The active volcano Mount Erebus is in the background. (Photo by Herbert Ponting/Scott Polar Research Institute, University of Cambridge/Getty Images)

A man stands on top of the Matterhorn Berg on Ross Island, in the Ross Dependency of Antarctica, during Captain Robert Falcon Scott's Terra Nova Expedition to the Antarctic, 8th October 1911. The active volcano Mount Erebus is in the background. (Photo by Herbert Ponting/Scott Polar Research Institute, University of Cambridge/Getty Images)