The Amazon rainforest produces more than 20% the world's oxygen supply.
182
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
Europe is the only continent without a desert.
62
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25
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 Atlantic Ocean is saltier than the Pacific Ocean.
54