Unlikely heroes, insane plays, strange shifts of fate — every good underdog story has something special too it. We found nine of the best upsets that were won thanks to blood, sweat, and the power of team work.
For Greatist photographer Justin Singh, backpacking to stay happy and healthy is what makes him a greatist. Check out some of his adventures here, and then join in on the movement yourself! #imagreatist
Since the advent of YouTube, short, homemade videos have skyrocketed to Internet fame in just a few days time. We've got some of the best videos in health and fitness to go viral over the past year. Check them out for some inspiration, or an instant pick-me-up!