San Francisco San Francisco

U.S. Army Captain Michael Potoczniak (right) embraced his partner of 10 years Todd Saunders as they obtained their marriage license at City Hall in San Francisco on Saturday. Stephen Lam /Reuters /Landov hide caption

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Stephen Lam /Reuters /Landov

Woody Miller, a "naturist," was among the men out on Market Street in San Francisco this day. Kimhiro Hoshino/AFP/Getty Images hide caption

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Kimhiro Hoshino/AFP/Getty Images

Stereo photographs, called Kromograms, show the earthquake-damaged San Francisco of 1906. They are thought to be the first color photographs from one of the worst natural disasters in U.S. history. Frederick Eugene Ives/Smithsonian's National Museum of American History hide caption

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Frederick Eugene Ives/Smithsonian's National Museum of American History