We don’t really think about it often but mountains don’t always start on land, at sea level. There are some mountains with bases that plunge pretty deep below the ocean’s surface. So when measuring the tallest mountain, do you count the part below sea level or not? Watch this video to find out!
Stop robocalls for good with Kim’s new eBook
Robocalls interrupt us constantly and scam Americans out of millions of dollars every year. Learn Kim's best tricks for stopping annoying robocalls in this handy guide.