Earlier this week, we announced Rewind 2011 and the most-viewed videos of 2011. We also pulled together top 5 lists of the most-watched videos in some more specific categories.

Watch the #1 videos below and click the category name to see the full top 5:

SPORTS: Mountain Biker Taken Out by Buck	PETS: Guilty Dog (This one is actually #2)
BEAUTY: I'm Sexy & I Know It Inspired Makeup Tutorial	FASHION: 25 Ways to Wear a Scarf in 4.5 Minutes!
SCIENCE: What does it feel like to fly over planet Earth?	TECH REVIEW: iPhone 5 Concept Features
FOOD: TurBaconEpic Thanksgiving	WEDDING PROPOSALS: Greatest Marriage Proposal EVER!!!