New Home Owner Trying to Improve - How to Remove Paint from Brick?

Hello Home Improvers. I am a first time home owner, and I have undertaken quite the task. Lets just say there's a lot of painting, repairing, etc. And ONE of the tasks I haven't quite figured out is how to strip the paint from the brick fireplace.

You can see it here: http://imgur.com/UEf9bTE

Does anyone have any tips/tricks/products they could share?