Older than the pyramids and just as cryptic, the prehistoric British site of Stonehenge has dominated its landscape for thousands of years. But what is Stonehenge? A celestial clock? An ancient computer to predict eclipses? Was it a temple, a cemetery, or a site of execution? And who were the people who lived and died to create this Stone Age masterpiece?
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Jul 12
The Space Shuttle Challenger Disaster
In 1986, seven astronauts boarded Space Shuttle Challenger for what was meant to be a routine tenth flight of the orbiter. Seventy-three seconds after lift-off, the shuttle broke apart in front of millions of viewers, in what remains one of the worst disasters in the history of h ... Show More
52m 45s