C-SPAN Video Library: Provides Congressional and other political programs and clips in this digital archive from C-SPAN.
History.com: Watch full episodes, clips, and videos from the History channel.
History Matters: This is from George Mason University. Sharing primary documents, images, audio, and more, there’s plenty of historic multimedia on this site.
MathTV: This site offers videos explaining everything from basic mathematics all the way to trigonometry and calculus.
National Archives: Explore US history in this YouTube channel from the US National Archives.
National Geographic: Find some of the world’s most amazing videos of natural life on National Geographic’s online video home.
National Science Foundation: From the National Science Foundation; includes instructional and educational videos.
NASA eClips: Offers a great way for students and educators to learn about space exploration, with clips divided by grade level.
NBC Learn: Provides excellent resources for learning from NBC, including the science behind just about everything.
NOVA Teachers: Provides highly organized videos for teachers, with 1-3 hour programs divided into chapters, plus short 5-15 minute segments from NOVA ScienceNOW.
PBS Learning Media - PBS LearningMedia™ is your destination for direct access to thousands of classroom-ready, curriculum-targeted digital resources. Best part is it's all FREE!
Stossel in the Classroom: John Stossel's programs are now available on DVD. His segments bring to light some current issues and topics for students and adults. Access his segments through live video streaming or order his free DVD.
TeacherTube: All the resources you need to know about math, art, educational videos, economics, physics, chemistry, biology, medicine, finance, history, and more.
Teaching Channel: Provides an impressive collection of videos in Language Arts, Math, Science, History and the Arts. Search by subject or grade level. Videos are produced by a collaborative effort between video production experts, education advisors, and classroom teachers. Common core standards are aligned.
WatchKnowLearn: Offers free videos in every subject area, many produced by universities and other professionals. Includes core subjects and world language, arts, technology and life skills.