How to get your photostream on iCloud?

So my wife dropped her iPhone 3GS and completely borked it. Fortunately, her employer says they'll pay for a new unit. ($649.99 that I won't have to part with. Yay!) So she's getting a shiny brand new iPhone 5!

She had a bunch of photos and audio recordings on her old one. Is there a way to get them from iCloud? I remember setting up iCloud on it when I upgraded her phone's operating system. Problem is that her old phone doesn't start up anymore. Are the pics and audio recordings uploaded to the iCloud or something?