360o Travel : The majesty of nature and travel through the triumph of technology edged out my runners up as, although equally educational and thought provoking, they were a little hard on my sagging sense of being.
Runners up:
Scale of the Universe: Try this in lieu of diet if you are resolving to feel smaller in the New Year.
History of the World in Two Minutes: Its Dust in the Wind meets Attention Deficit Disorder
What everyone else was watching: youtubes-top-ten-viral-videos-of-2012