American Folklore
Includes retellings of American folktales, Native American myths and legends, tall tales, weather folklore and ghost stories from each of the 50 United States.

Bulfinch's Mythology
The complete classical work, with links to other sites throughout the text and subject index.  

Encyclopedia Mythica
"An online encyclopedia on mythology, folklore, and legends consisting of over 6,100 entries on gods and goddesses, heroes, legendary creatures and beings."

Mythology
This University of Michigan site includes descriptions and illustrations. 

Mythman's Homework Help Center
Over 200 pages of information, including gods, heroes, beasts, and allusions.

Myths and Legends
An annotated list of links to sites on mythology from all countries.

Native American Lore Index Page
Links to 150 Native American legends.