http://www.eduplace.com
Integrated English/LA lessons. Wacky web tales and teaching parts of speech. Students can edit and revise the ones that are there or create their own individual tales for submission.

http://www.sparknotes.com
Especially for students, but teachers will benefit greatly. Works like online cliffnotes, but more thorough. Also, it has a message center where students ask questions about the literature.

http://www.bham.wednet.edu/soccont.htm
Includes links regarding: European History, World Geography, Global History, Us History, Civics, News Resources.

http://www.historychannel.com 
History searches: this day in history, history searches, history channel lineup, quizzes

Ask a Science Expert
http://njnie.dl.stevens-tech.edu/curriculum/aska/science.html
A list of science mentors to whom students can pose questions related to varied science fields.
 

http://www.iloveteaching.com
This is a good site for teachers, especially first- year teachers. It gives a lot of insight on how to start teaching (i.e. classroom management, discipline, techniques). It also has inspirational quotes and encouraging words. 

http://school.discovery.com/teachers/index.html
DiscoverySchool.com is dedicated to making teaching and learning an exciting, rewarding adventure for students, teachers, and parents. They provide innovative teaching materials for teachers, useful and enjoyable resources for students, and smart advice for parents about how to help their kids enjoy learning and excel in school. The site is constantly reviewed for educational relevance by practicing classroom teachers in elementary school, middle school, and high school.

http://www.teach-nology.com
There are lesson plans, worksheet generator, webquest, rubrics generator, puzzles, and activity sheets

http://trackstar.hprtec.org 
TrackStar helps instructors organize and annotate Web sites (URLs) for use in lessons. The resource list remains visible allowing the user to easily stay on track.