'Back to the Future': The 15 coolest things we saw at this re-creation of Hill Valley

In celebration of the 30th anniversary of "Back to the Future" and our arrival -- finally -- at October 21, 2015, We're Going Back is five days of events that has gathered "Back to the Future" fans from all around the world to Los Angeles. Check out the 15 coolest things HitFix saw at their Thursday event, a re-creation of Hill Valley in Fillmore, Calif.