Youtube has it online (using the English dub) in 11 sections. Part 1:
part 2, part 3, part 4, part 5, part 6, part 7, part 8, part 9, part 10 (no audio), part 11 (no audio in this last part)
Moria makes special note of the backgrounds and the score. The New York Times describes it as
a hallucinatory tour de force of color, perspective and scale, virtually encapsulates the history of Japanese animation.