There are more than 50,000 earthquakes throughout the world every year!
47
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
There are approximately three chickens for every human on Earth.
13
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41