Memorable Moments of 2011

As the year comes to a close take a look back at some of the memorable moments. Moments like the volunteers who worked to rebuild Joplin, Missouri, Gabrielle Giffords leaving the hospital after being shot by gunman, Paraplegic Austin Whitney walking at his college graduation through the help of an exoskeleton, or the Labrador retriever that laid near the casket at the funeral of his Navy SEAL owner. Watch pictures and video that were simply inspiring in 2011.