Europe is the only continent without a desert.
62
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
Check your map! Virginia extends farther west than West Virginia.
67
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
The Atlantic Ocean is saltier than the Pacific Ocean.
54