1
The water of the Antarctica is so cold that nothing can rot there.
334
2
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
3
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
4
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
5
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
6
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
7
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
8
Longest officially recognized place name is Taumatawhakatangihangakoauauotamateapokaiwhenuakitanatahu.
112
9
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
10
The Sahara desert expands at about 1km per month.
90
11
The city of Houston, Texas is built on a swamp and is slowly sinking!
89
13
The names of the continents all end with the same letter with which they start, excluding the North and South infront of AmericA.
86
14
One cubic mile of seawater contains about 50 pounds of gold.
79
15
The state of Florida is bigger than England!
74
17
Check your map! Virginia extends farther west than West Virginia.
67
18
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
19
Europe is the only continent without a desert.
62
20
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62