General skeptics links
CSICOP (Committee for the Scientific Investigation of Claims of the Paranormal)
Bad Science- Ben Goldacre's coulumn in The Guradian and more.
James Randi Educational Foundation
Massimo Pigliucci's Skeptic and Humanist web
Richard Dawkins
The Skeptic's Dictionary
Foreningen Skepsis (The Norwegian Skeptics Organization)
Kjetil Kjernsmos "Don't belive everything you see"-pages

Humour
Insultingly stupid movie physics
Conspiracy '58

Urban legends, myths and conspriacy theories
Urban Legend Reference Pages
The Straight Dope
Museum of Hoaxes

Mythbusters - Official site
The Mythbusters answer your questions (slasdot.org)

Religion and such
Operation Clambake - Scientology critisism
Hedningesamfunnet - The Norwegian Pagan Soiciety
American Atheists
The Secular Web

Creationism
talk.origins
The Panda's Thumb
Tree of Life, Mapping life on earth

Pseudosceince
Bad Astronomy
Astronomical Pseudo-Science
The UFO Skepic's Page
The Scientific Exploration of Astrology

Quackery & Health Fraud
Quackwatch - Keeping an eye on quacks all over the world
National Council Against Health Fraud