Dateline Survivors: Tales of Extraordinary Heroism by Everyday People

El Nino's floods and tornadoes, mountaineering calamities, shark attacks, whatever the cause, tales of heroic survival have become an obsession. Here, from the most popular segment on NBC's Emmy-winning Dateline, are riveting accounts of the people who have survived natural disasters (hurricanes, earthquakes, mud slides, tornadoes, and floods), transportation disasters (hot air balloons, boats, planes, and trains), animal attacks (white sharks, grizzly bears, and big cats), and other freakish accounts.