The Amazon rainforest produces more than 20% the world's oxygen supply.
182
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
Louisiana is the only state that grows in land area every year (Due to alluvial deposits from the Mississippi River).
41
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25
The Caspian Sea is also classed as the world's largest lake.
52
The Sahara desert expands at about 1km per month.
90
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181