A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
The Atlantic Ocean is saltier than the Pacific Ocean.
54
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
The names of the continents all end with the same letter with which they start, excluding the North and South infront of AmericA.
86
In 1850, only 8% of the people in California were women.
0