Here are the newest additions to The Best Year-End Collections Of Images — 2011:

Zeitgeist 2011: How the World Searched is from Google.

The Denver Post has a three part series of “2011 Best Photos of the Year”:

Part One

Part Two

Part Three

2011 in review: Arab Spring, disasters, demise of icons is from the Associated Press.

TIME Picks the Best Viral Photos of 2011 is from TIME.