Arctic passage from NOVA  INTERACTIVE  Relive two legendary expeditions - on tragic, one triumphant to pioneer a route through the Northwest Passage  Beriing Glacier Investigation Activity from Oregon State University The Cryosphere from The National Snow and Ice Data Center. Discovering Antarctica.  This site has historical, scientific, environmental and zoological information about Antarctica.  Include videos, maps, charts, graphs, puzzles and other related activities Antarctica Meteorites Serious Arctic (6-12) One of a series of BBC-sponsored sites (others include Serious Amazon, Serious Desert) this site focuses on a 2004 Arctic expedition made by 8 teenaged explorers. The site offers their written diaries, video reports, plus facts about Polar Bears (now an endangered species due to global warming), and an amusing-but-noisy game.  Visual Field Trip to Antarctica