Watch Free Documentaries!
You can watch documentaries from Anthropology to Technology/Future and everything in between. If you need a biography, they are easily found broken down from A-M and N-Z.
Are you a history buff? Go to the history link and choose from Prehistoric to Modern to Other. You can further break it down by choosing Ape to Man among others in the Prehistoric History section.
I hope you like Best Online Documentaries and find it as interesting as I do. Happy watching!