Smithsonian Institution
National Museum of Natural History: Ocean Planet: In Search of Giant Squid
An on-line exhibit archived from a Smithsonian exhibit explores and interprets the facts and myths surrounding giant squids - the world's largest invertebrates.
Other
Fishin for Facts Library
A comprehensive site that includes a wealth of information on whales, sharks, penguins and squid.
PBS
Pbs: Nature: Encountering Sea Monsters
An extensive amount of information is featured in this PBS site on Cephalopods. Images, videos, books, and web links are just a few of the items that can be found here.