Wild Places: Polar Regions - An overview of the topography and climate at the ends of the earth. - http://www.panda.org/news_facts/education/middle_school/habitats/polar_region.cfm
The Age of Reptiles: Polar Region - Uses fossil records to tell what these bitterly-cold regions might have been like when dinosaurs roamed the earth. - http://www.abc.net.au/ozfossil/ageofreptiles/polar/