The Most Unexplainable Places on Earth

Scientists and meteorologists say that uranium in the air could be to blame. Another theory is that the nearby Andes Mountains collides with warm trade winds and evaporating water and methane from a nearby oil field could be another reason as to why this happens. In 2010, it randomly stopped but only for six weeks.

The More You Know

Pittsburgh is the only city where all three major sports teams share the same colors.
Mount Rushmore cost less than $1 million.
You spend about 10% of the time you're awake blinking.
Mysterious sand dune holes baffled Indiana for years.

Post originally appeared on Upbeat News.