Bizarre Mysteries That Remain Unsolved to This Day

The bluestones—which weigh about four tons each—were sourced 200 miles away from Stonehenge. How were these heavy stones transported so far, and with such little technology available? There are no definite answers when it comes to this mysterious rock formation.

Naga Fireballs

Naga fireballs, also known as "ghost lights," are a phenomenon said to be seen annually on the Mekong River. Balls of glowing light supposedly rise from the water, floating several hundred feet in the air before disappearing entirely. The phenomenon is said to be caused by a giant serpent that lives in the Mekong known as phaya nak.

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The More You Know

  • Roughly 600 Parisians work at the Eiffel Tower each day.
  • The idea that a man should spend two months salary on an engagement ring was popularized by De Beers' ad agency.
  • Nearly 15 percent of Los Angeles is used as a parking lot.
  • In 1945, Dwight D. Eisenhower predicted that people would try to dispel the holocaust as a falsehood, and ordered all possible photographs taken of the Nazi crimes to hinder any such attempts.
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