NOAA
Noaa: Arctic Marine Animals
This slide show contains pictures of invertebrate arctic animals filmed during a 2005 expedition. Each photograph has a short description of the animal. There are ten animals displayed.
Northwestern University
Northwestern University: Measuring Plate Motions [Pdf]
This slideshow gives an advanced-level explanation of how to calculate the distance that tectonic plates move by using Physics formulas and concepts. Includes a discussion of marine magnetic anomalies and how these impact plate movement....
Other
Fall of Saigon by u.s. Marines
Take a look at this firsthand account of the final days a U.S. Marine spent in Saigon, before it fell to North Vietnam in 1975.
NASA
Nasa: Climate Kids: Gallery of Oceans
A collection of images showing Earth's oceans and how they are affected by climate change.
Monterey Bay Aquarium
Monterey Bay Aquarium: Giant Octopus
A slideshow of captioned photographs of the giant octopus, with links to a video of feeding time in the giant octopus tank and to other animals from the deep reef--the sheep crab, wolf-eel, and lingcod.