Yes, some are more extreme than others, admittedly. And I personally do not read the most extreme. Though sites like Drudge, American Thinker, Hot Air, Canada Free Press, Big Government, Dick Morris, and a few others are among my regulars. This listing is ranked according to the number of site visits.
Top 100 >>> Web Link
(Yes, I can imagine that someone from the left will be posting their top list soon. So be it, let the public decide.)