A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
The city of Houston, Texas is built on a swamp and is slowly sinking!
89
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
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
The state with the longest coastline in the Continental U.S. is Michigan.
31
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
