"PBS LearningMedia™ is your destination for easy, instant access to thousands of classroom-ready, digital resources including videos and interactives perfect for the Interactive Whiteboard, plus audio and photos, and even in-depth lesson plans. You can search, save, and share with ease. Best of all, PBS LearningMedia™ is free for educators. "
Documentary Heaven is a free site that has organized more than 1600 documentary films found across the Internet. Through Documentary Heaven can find documentaries covering all kinds of topics in science, history, politics, business, and many more categories. The videos are sourced from a variety of services including, but not limited to, YouTube.