In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
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 North Atlantic gets 2.5 centimetres (1in) wider every year.
119
The state of Florida is bigger than England!
74
The 'King Ranch' in Texas is bigger than the state of Rhode Island.
49