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Groundspeak Inc.: Geocaching the Official Global Gps Cache Hunt Site
Geocaching is a unique online treasure hunt game. Players 'hide' a cache anywhere on the globe and other players must follow the clues to locate the cache. Great for getting practice using GPS. There is plenty of guidance to playing, as...
Woods Hole Oceanographic Institution
Polar Discovery: The Greenland Glacier Expedition: July 7 July 24, 2008
This polar expedition took place in 2008, but you can still experience the thrill of following these scientists as they engage in research studying the changes in Greenland's ice sheet. Meet the research team and learn about the...
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Boat Safe Kids
This is a delightful site about boats and boating. Lots of games plus a terrific overview of the history of navigation. Includes a visit to a reproduction of Columbus' Nina.