Leonardo Da Vinci predicted the mass use of solar energy as long ago as 1447.
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In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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In 1976 an LA secretary named Jannene Swift officially married a 50 pound rock in a ceremony witnessed by more than 20 people.
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A female photographer in the 50s took tens of thousands of pictures and remained remained unknown until her death. She is now considered one of the most important street photographers ever.
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Recently, archaeologists excavating in the old medieval town of Odense in Denmark uncovered 700-year-old barrels of poop - and, to their surprise, they still smelt.
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In 1542, French aristocrat Marguerite De La Rocque survived being marooned for 2 years alone on a remote island off the coast of Quebec.
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