"Knowitall.org is ETV's educational Web portal, a collection of fun, interactive websites for K-12 students, teachers and parents." Has culture snapshots (eg, Gullah Net), how-tos, history-related features (Road Trip through Civil Rights History). jobs, health, career development resources, etc. K-12 with an emphasis on younger kids.
This site is a geat resource for content-based learning for teens and adults. You can browse by categories (right-hand column) for topics in history, nature, people/biography, science, etc. There are no lesson plans or other educational apparatus.
"Many people don't realize that The New York Times can be quite accessible for English Language Learners. Due to its focus on current events and news, using The Times to learn vocabulary and practice reading can be much more inviting and rewarding than a textbook. And NYTimes.com has some extra tools and features that are particularly useful for language learning. Here are 10 ideas for using The Times to teach and learn the English language." Includes lookup dictionary, multimedia archive, K/W/L Chart, short activities, culture experiences, lesson plans, this day in history, etc.
A great example of a clearly defined lesson in guided reading and thinking in an historical context (Ghandi v. Ho Chi Minh as protest leaders). Ms. Duvoor models how to think like a historian as you read original documents.
A huge collection of speeches by famous figures, both audio files and videos. Could be used for transcription exercises. As a member you can create a board and save your favorites to it for students to listen to. Free. Rec. by Russell Stannard.
This blog has great links to citizenship-related exercises and teacher resources, such as the US Constitution in simple English. Should be an important resource for US teachers of adult ed, as well as teachers of American culture overseas.