Photo Galleries: Educational Resources
Hydrosphere
CIRES' Ocean Interactions project, which strives to connect scientists, educators, and students in learning about oceanic and atmospheric sciences, offers galleries depicting "Life at Sea" and "Science at Sea."
Cryosphere
CIRES' National Snow and Ice Data Center [ About NSIDC ] maintains galleries of the cryosphere, where the world is frozen, including a Glaciers Gallery, a Snow Gallery, one collection of images showing Antarctic Snow Megadunes and another depiciting Life on a Russian North Pole Drifting Station.