Photos View images in a collection of Photo Galleries. Video Watch video of penguins at play.     Antarctica Links Sealab Antarctica NationalGeographic.com's Mark Christmas bunked aboard an icebreaker Wayfaring Journey Bares Stark Beauty of Antarctica by Todd Jarrell for National Geographic News May 24, 2001 Penguin Decline in Antarctica Linked With Climate Change By John Roach for National Geographic News May 9, 2001 Camera-Fitted Seals Spy Antarctic Sea Life Bijal P. Trivedi National Geographic Today January 23, 2002 Secrets of the Ice, an Antarctic Expedition at the Boston Museum of Science United States Antarctic Program Laurence M. Gould (the ship) Web Cam of South Pole NSF Antarctic Programs Antarctic Conservation Palmer House in Stonington, Connecticut Dan Grossman