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Olympics Day 13 - Women's Football Final - Match 26 - USA v Japan

LONDON, ENGLAND - AUGUST 09: Abby Wambach #14 of United States reacts after a goal by Carli Lloyd #10 in the second halfagainst Japan during the Women's Football gold medal match on Day 13 of the London 2012 Olympic Games at Wembley Stadium on August 9, 2012 in London, England. (Photo by Jamie Squire/Getty Images)

American Olympic dynasties

There are several sports and events where the U.S. has a golden dynasty. --By Pauline Vu and Tiara Chiaramonte, Yahoo! Sports