12 Monkeys, a film from the mid nineties most memorable for Brad Pitt's chewing on the scenery, has a destroyed, ravaged future that Willis' John Cole is thrown back in time from. He has been tasked with the job of stopping a pandemic erupting, and along the way, Gilliam plays with the whole idea of what is real or real, and Brad Pitt frees animals. Or something like that. It's actually not a bad film, for all that I couldn't stand the latter on screen, but the parts I liked and which stuck in my memory, of course, were those of the ravaged future. I always always disappointed when the film went to the 'now'.
Here's the film in two minutes: