- [Voiceover] Now streaming on the PBS app, the definitive collection of documentaries from award-winning filmmaker Ken Burns.

(dramatic music) Discover over 40 groundbreaking films that bring our history to life.

(cheerful jazzy music) - Muhammad Ali was the most important man in the world.

- [Crowd] Ali!

Ali!

- [Narrator] His magnetism just was amazing.

Who is this guy?

- [Commentator] He was a revolutionary.

He was a ground breaker.

- What are you gonna say about that now, huh?

(bell tolls) - The price of freedom comes high.

I have paid, but I am free.

(sweeping guitar music) - [Narrator] I hate the myth of Hemingway.

It obscures the man.

- His talent is stunning.

- He went against the grain.

- [Narrator] It's hard to imagine a writer who hasn't been influenced by him.

- In order to have something new to write he had to have something new to live.

(artillery gun fires) - [Narrator] And he fell in love quite a few times.

- He's complex and deeply flawed, but there he is.

Hemingway, the man, is much more interesting than the myth.

(inspirational music) - The American identity begins when Benjamin Franklin knit the American colonies together.

- [Narrator] Franklin is endlessly interesting.

- [Commentator] Printer, scientist, revolutionary.

- He is the only founding father who evidently had a sense of humor.

- His vision is broader than the American Revolution.

- The things that he spoke of, that he wrote about had a certain amount of power.

- He really was an American genius.

(suspenseful music) - [Narrator] Even though the Holocaust took place in Europe, it is a story that Americans have to reckon with too.

- The primary goal is get to the United States.

- The door was not quite open.

(dramatic music sustains) - Rule changes make it even harder for refugees to get in.

- We are a good people but that's not all there is to this story.

- Stream the Ken Burns Collection now with Passport.