The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
The water between India and Sri Lanka is only 3-30 feet deep and was purportedly passable on foot until 1480 AD when a cyclone moved some sand around.
1
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
The names of the continents all end with the same letter with which they start, excluding the North and South infront of AmericA.
86
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25
There are approximately three chickens for every human on Earth.
13