From the unconventional and awe-inspiring to the hilarious and heartwarming, here's a look at some of the most interesting photos, videos and stories that have our newsroom talking today. What's capturing your attention, filling your inbox and cluttering your Facebook/Twitter feed? Tweet us the stories you're talking about using #InstantIndex, or email us at ABC.WorldNews@abc.com, and they could appear on "World News."

Track Santa Around the World With NORAD It's the night before Christmas, are you tracking Santa? You can with NORAD, which provides updates by phone, Facebook, Twitter and email of Santa's whereabouts. His first stop was Novoye Chaplino, Russia. "Santa calls the shots," NORAD says on its website. "We just track him!"

(Brennan Linsley/AP Photo)

49ers Play Last Game at Candlestick Park The San Francisco 49ers hosted their last regular-season game at Candlestick Park, which is scheduled to close. With a win over Atlanta, the 49ers scored a spot in the playoffs, keeping the chances alive that there could be at least one more game played there. The 49ers plan to move next season to the new Levi's Stadium in Santa Clara, Calif. Candlestick Park hasn't just held sporting events but also papal visits and the Beatles' last formal concert.