Mary Mallon, known as "Typhoid Mary," was immune to the typhoid she carried. Working as a cook, she spread the disease in New York and ended up quarantined on Brother Island (above) for more than two decades. Bettmann/Corbis hide caption
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The Erebus and the Terror among icebergs, as illustrated in The Polar World by G. Hartwig in 1874. Sir John Franklin, British naval officer and arctic explorer, commanded the 1845 expedition of the ships to search for the Northwest Passage. All members of the expedition perished. G. Hartwig/Universal History Archive/Getty Images hide caption
The Erebus and the Terror among icebergs, as illustrated in The Polar World by G. Hartwig in 1874. Sir John Franklin, British naval officer and arctic explorer, commanded the 1845 expedition of the ships to search for the Northwest Passage. All members of the expedition perished. G. Hartwig/Universal History Archive/Getty Images hide caption
Tamara Keith on the scene in 1814. Leif Parsons for NPR hide caption
There is no such thing as a free lunch. iStockphoto hide caption
Janet Collins was the first prima ballerina to perform at the Metropolitan Opera. Ed Palumbo/Library of Congress hide caption
A screen grab from The Seattle Times shows the anchor beofre it was hoisted from the bottom of Puget Sound. The Seattle Times hide caption
Mayor of Leicester Peter Soulsby near a screen displaying a statue of King Richard III on Friday, after a decision to permit the monarch to be buried at Leicester Cathedral in central England. Darren Staples/Reuters/Landov hide caption
A 2011 photo shows a replica of Christopher Columbus' flagship, the Santa Maria, off the Portuguese island of Madeira. The location of the Santa Maria has been a mystery; an explorer says he might have found it. Eric Risberg/AP hide caption
Vietnam veterans Melvin Morris (center), Jose Rodela (obscured) and Santiago J. Erevia (left) received the Medal of Honor from President Obama at the White House on Thursday. Win McNamee/Getty Images hide caption
Abraham Lincoln, the 16th president, used to cook alongside his wife. Brady/Getty Images hide caption
Fon appliqué workers in 1971, Abomey, Republic of Benin. Eliot Elisofon/National Museum of African Art hide caption
The P1, now known as the "first Porsche." Juergen Skarwan/Porsche.com hide caption
Tobacco companies incorporated doctors in their ads, such as this 1930 Lucky Strike campaign, to convince the public that smoking wasn't harmful. Stanford University hide caption