Fantasy Worldbuilding Questions

By Patricia C. Wrede.  This is an extensive, exhaustive list of questions; its purpose is to prompt an author to start thinking about every possible aspect of an invented milieu.  If you're writing a fantasy story, whether it is set on Earth or an entirely imaginary world (or worlds) this is a fantastic resource.

Pitfalls of Writing SF & Fantasy

This is aimed at the writer of SF or Fantasy, but much of its content is applicable to writing in any genre.  The advice is excellent, and best of all, it's a very funny (and fairly short) read.

Encyclopedia Mythica

An encyclopedia on mythology, folklore, and legend.

Myths and Legends

An extensive collection of links regarding myths and legends grouped by region and time period.

Odin's Castle of Dreams and Legends

Need to know more about a certain time period?  If it's history you're looking for, this is where you'll find it.  The organization is excellent, and as an added bonus, the site's graphics are really nice. 

Links for Writers

A collection of links for writers of fantasy.

Links and Suggested Reading for SF & Fantasy Writers

A collection of links related to marketing, workshops, articles, and more.  Also contains a list of recommended books about writing. 

Quills to Computers

A forum for discussion of original writing.