In addition to the links on the right, here are various other sites I browse through from time to time.
Duotrope - Excellent searchable database resource for writers hoping to get published
Chronicles Network - Here you can discuss Sci-fi & fantasy and if you're a budding writer, get some great critiquing on your work too.
Story Pilot - Good for locating publishers of short stories
Lulu - Great for self publishing.
Encaustic Art - Painting with wax and an iron!
Human Descent - Fantastic Weirdness
The Secular Web - Internet Infidels Discussion Board - A great place for healthy debate on all things spiritual
The Jesus Puzzle - Earl Doherty's website - The thesis that Jesus was not a historical person.
James Randi - The James Randi Education Foundation - Debunking spiritual frauds.
The Skeptics Dictionary - A no nonsence site providing definitions and explanations for all things paranormal .
A Christian Thinktank - A site containing apologetics and indepth Theological/Philosophical discussion
Jack Van Impe Ministries. (Eschatology) - And yes, people actually believe this stuff!
Creation Science - The Creationist resource.
Destrier Music - The homepage of Adam James Wakeling