Academic Earth — Online video courses from top scholars

Annenberg Media Classroom Resources — Teacher professional development and classroom resources (student interactives) across the curriculum

Coursera — online courses from a variety of universities and organizations

iTunes U — iTunes U is a part of the iTunes Store featuring free lectures, language lessons, audiobooks, and more, that you can enjoy on your iPod, iPhone, Mac or PC. Requires that iTunes be installed on your computer (download required).

Khan Academy — provides a free world-class education for anyone anywhere

MIT’s Open Courseware – Highlights for High School — educational course material selected specifically for the high school level

Open Culture — free cultural and educational media

Open Learn — free courses and video from the Open University

PBS American Experience — Videos about American History from PBS’s history series, American Experience

PBS Videos — video archive

Picturing America — gain a deeper appreciation of our country’s history and character through the study and understanding of its art

Q Ideas — includes articles and video talks designed to sharpen thinking and deepen engagement in culture

Snag Film Documentaries — peruse this cache of free movies and documentaries

Teacher Tube — Online community for sharing instructional videos

TED Talks — Riveting talks by remarkable people, free to the world

TED-Ed — Videos aim to capture and amplify the voices of the world’s greatest educators. To achieve this, we pair extraordinary educators with talented animators to produce a new library of exceptional educational videos.