There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
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Some nursing homes in Germany have fake bus stops to keep Alzheimer's patients from wandering away.
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Author J K Rowling wrote the final chapter of the last Harry Potter book in "something like 1990", seven years before the release of the first book.
7
The WD in WD-40 stands for Water Displacer.
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Real diamonds do not show up on x-ray.
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In Georgia, there is an airtight room called the Crypt of Civilization that was sealed in 1940. It contains numerous artefacts documenting what life was like at the time of sealing, and is scheduled to be opened in the year 8113 to show people of the future exactly what life was like.
13
There are 635,013,559,599 possible hands in a game of bridge.
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