Darwin and his life
Darwin's writings
PBS series on Darwin
American Museum of Natural History exhibit website
Nice 3-min video providing a cultural and technological context for Darwin's life.  
Darwin 200
David Quammen's "The Reluctant Mr. Darwin"
Janet Browne's biographies (Voyaging, The Power of Place) on Darwin
Eat what Darwin ate (Scotch Woodcock, Beef Collops, Pudding in Haste, etc.).  Darwin's favorite recipes
Charles Urbanowicz's (Emeritus CSU Chico Anthropology Prof) Darwin Pages, including videos in which he portrayed Darwin
Richard Milner's musical tribute to Darwin

Resources for teachers
National Center for Science Education
Understanding Evolution a great source for ideas,  lesson plans, content, searchable database, etc
Colin Purrington's terrific page with ideas about teaching evolution (part of his evolution outreach site)
Links & ideas from the Society for the Study of Evolution
Evolutionary Biology website at University of Akron
Fun, interactive, website and game about Darwin & evolution from Discovery.com
Human evolution activity from A Science Odyssey on PBS

More about evolution
National Evolutionary Synthesis Center (NESCent)
Society for the Study of Evolution
University of California Museum of Paleontology evolution pages
Evolutionary Applications, a journal about using evolutionary principles to solve problems relevant to humans
Panda's Thumb (blog & chatroom)
Talk Origins (usenet group on creation/evolution)
Paul Wilson's (CSU Northridge Prof) Evolution Report, an audio series