Credits

Iditarod Official Page http://www.iditarod.com/learn/photogallery.html (March 7, 2007)

  PBS. Hippos on Zambia ’s Luangwa River http://www.pbs.org/wnet/nature/fun/hippo_flash.html  (March 7, 2007)

Nationa Geographic. “Climb to the top of Mount Everest .”  http://magma.nationalgeographic.com/ngexplorer/0303/games/game.cgi (March 7, 2007)

  ESPN. Tour de France.  http://sports.espn.go.com/oly/tdf2005/index#  (March 7, 2007)

Minnesota State University, Mankato. Machu Picchu http://www.mnsu.edu/emuseum/prehistory/latinamerica/south/sites/machu_picchu.html  (March 7, 2007)

National Geographic. Great Barrier Reef . http://www.nationalgeographic.com/earthpulse/reef/reef1_flash-feature.html (March 7, 2007)

CBS News.  Antarctic swim. http://www.cbsnews.com/stories/2003/02/12/60II/main540357.shtml  (March 7, 2007)