![Southern Ocean map of the Antarctic region](http://www.free.ed.gov/images/resources/usap.jpg)
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U.S. Antarctic Program aims to understand the world's coldest, windiest, driest, and harshest continent -- its...
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![Sunlight plays off the Canada Glacier in the Wright Valley, one of the McMurdo Dry Valleys. Credit: Peter Doran, National Science Foundation](http://www.free.ed.gov/images/resources/06113.jpg)
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Arctic and Antarctic looks at research being conducted in the two polar regions of earth. These vast, icy...
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![A full moon and a 25-second exposure makes the South Pole station visible in a July 2005 image during the 6-month-long Antarctic night.](http://www.free.ed.gov/images/resources/south-pole.jpg)
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![Image of the Holy See, St. Peter's Square](http://www.free.ed.gov/images/resources/portals.jpg)
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Portals to the World is a starting point for studying other countries and parts of the world. Learn about the...
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