A teen in Michigan built a working nuclear reactor. He taught himself how to build it as a weekend hobby project in his basement from ages 15-17 for $3500.
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Poon Lim survived 133 days alone on a raft at sea by fishing, drinking bird blood, and killing a shark with a jug of water.
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The highest speed ever achieved on a bicycle was 167.04 mph by Fred Rompelberg in 1995.
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The world's tallest snowman was created in Bethel, Maine in 2008. It measured in at 122 feet / 1 inch and weighed 13,000,000 lbs.
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