External Links

Educational Links

NSIDC cryosphere primer (good source for quick info on polar meteorology and climate)
Arctic Theme Page (NOAA) (lot of links, some educational, some not)
Peter Guest's Polar Meteorology page (at NPS)

History

Antarctic Philately - they like stamps, but its a great overview of history at both poles

Beaufort Gyre Project

American Museum of Natural History Shackleton Exhibition

Elisha Kent Kane Historical Society

Polar organizations

National Snow and Ice Data Center

National Ice Center
Byrd Polar Research Institute
Scott Polar Research Institute

NASA earth observatory (not polar, but has some cool polar imagery)

Arctic Submarine Lab
Alfred Wegener Institute
Polar Science Center, University of Washington