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...

The More You Know

The first time Reddit was mentioned in the New York Times, it was described as "foolish collectivism" that "grinds away the Web's edges and saps it of its humanity".
Dr. Seuss wrote Green Eggs and Ham as part of a bet.
Before mating, the female giraffe will first urinate in the male's mouth.
Tree seeds were taken into orbit and planted as "Moon Trees."

Post originally appeared on Upbeat News.