Famous Russian studio Mosfilm have posted some of its most notable films on their own YouTube channel.
Their output includes pioneering works by Andrei Tarkovsky and Sergei Eisenstein and they aim to post five films a week (many have English subtitles).
You can check out Andrey Rublev (1966) here:
And Solaris (1972) here:
> Mosfilm on YouTube
> More on Mosfilm at Wikipedia