Gateways
Yahoo's Greek Mythology. This is an alphabetical directory of sites in Greek mythology.
Greek Mythology Link is the best that I have seen; some parts of this site have been discussed below for quick reference but you really ought to look at the whole thing.
Specific Internet Sources
Search Engine: Search Greek Mythology. Sites are rated between 1-4 stars.
Bulfinch's Mythology is a standard work also organized by chapter. Organized in three volumes, volume one covers mostly Greece and volumes two and three cover King Arthur and Charlemagne respectively.
Mythology by Culture or Region covers the globe. Click on Egypt and you will get texts such as the Egyptian Book of the Dead.
Why Do People Need Mythology has several important links, among them a 300- page essay on morality, biology and ethics and another on the evolution of myths.
Resources:
Myths and Legends is good for geographic distribution. Use the navigation bar on the left.
Mythology. Arranged by topic and geography. Online Journals:
Aeon: A Journal of Myth, Science and Ancient Religion
Timelines: Timeline of Greek History and Literature
Images: Image Gallery; The Olympian Gods; Image Index: Greece; Images of Mythology; The Ambrose Collection, a collection of slides used in a mythology class.
Maps: Geographic and Constellation Maps;
Genealogy: Genealogy Tables; The Greek Family Tree; The Norse Family Tree; Summary of Appoldorus's Library
Texts: , The Internet Classics Archive, which covers 441 works in classical literature including mythology. You will also find many other texts in the Internet Sacred Text Archive , Folklore and Mythology Electronic Texts. and Perseus Digital Library
Biographies: Biographies. Character Glossary is also useful for brief bios.
Themes (such as creation): Mythology by Themes; Some Common Mythic Elements
Bibliographies: Mythology References in Print
Oddities: CG Jung Page. I include this because mythology is so important in Jungian psychology. Recall that his theory of "archtypes" was rooted in mythology. And don't forget Joseph Campbell--here is his link: Joseph Campbell Foundation.