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

itoggle caption 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

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