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 is one slot machine in Las Vegas for every eight inhabitants.
58
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
Your fingernails grow faster in summer.
744
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
The search engine Google got its name from the word 'googol', which refers to the number one with a hundred zeros after it.
56
American car horns beep in the tone of F.
66
NYC's Metropolitan Transit Authority (MTA) dumps old subway cars into the ocean to serve as artificial reef.
8