"...internet encyclopedia of mythology, folklore, and religion" The mythology section is divided to six geographical regions: Africa, Americas, Asia, Europe, Middle East, and Oceania. Each region has many clearly defined subdivisions that will ease your search. One can 'jump to' areas such as Korean, Haitian, Latvian, Mayan, etc.
The Folklore section contains general folklore, Arthurian legends, and fascinating folktales from many lands.
Project Gutenberg contains hundreds of books on mythology, both scholarly and popular works that introduce readers to the wealth of myths, legends, tales, and folk stories among ancient and modern cultures from around the world. In compiling the Mythology Bookshelf, the aim has been to select books that focus on or at least deal with some aspect of creation myths
From the the National Earth Science Teachers Association
The websites listed hereare broad/general in scope; covering many topics, areas, analysis on legends, folklore, and mythology. See the links above (characters and places, Africa, etc.) for more specific websites.