The Most Unexplainable Places on Earth

Movile Cave

This cave in Romania strikes most people who enter it as bizarre. Caves give most people the heebie geebies, but this one is a bit different... Its intense sulfuric smell sends people running. The cave hasn't seen sunlight in over 5.5 million years, which means a lot can brew beneath the surface...

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The More You Know

  • The sun and moon appear to be the same size in the sky because of an astonishing coincidence: the moon is 400 times smaller but 400 times closer.
  • Bubble wrap was originally intended to be used as 3D wallpaper.
  • A quarter of all the bones in your body are in your feet.
  • Only one NFL team has a plant for a logo.
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