A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
The Caspian Sea is also classed as the world's largest lake.
52
Forest growth in the US has exceeded harvest since the 1940’s. Today, we have more trees than any time in the past 100 years.
14
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
The Atlantic Ocean is saltier than the Pacific Ocean.
54
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14