Now this is what we call taking the ALS Ice Bucket Challenge to the EXTREME! This guy accepts the challenge on top of a mountain with glacier water dropped from a helicopter! And he's calling out LeBron James, Aaron Rodgers and Russell Wilson to take the challenge!

If you aren't familiar with this latest social media phenom, people are recording themselves being doused with buckets of ice cold water, then challenging others to do the same within 24 hours, all in an effort to raise awareness for ALS (Lou Gehrig's disease). Read more