The water of the Antarctica is so cold that nothing can rot there.
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere.
The warmest temperature ever recorded on Antarctica was 3 degrees F.
The Amazon rainforest produces more than 20% the world's oxygen supply.
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
The Caspian Sea is also classed as the world's largest lake.
The Sahara desert expands at about 1km per month.
The North Atlantic gets 2.5 centimetres (1in) wider every year.
The percentage of Africa that is wilderness: 28%. The percentage of North America that is wilderness: 38%.
There are more than 50,000 earthquakes throughout the world every year!
The state with the longest coastline in the Continental U.S. is Michigan.
The state of Florida is bigger than England!
The Niagara Falls moves upstream at an average rate of about 295ft a century!
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
The city of Houston, Texas is built on a swamp and is slowly sinking!
One cubic mile of seawater contains about 50 pounds of gold.
Mexico City is built on top of an underground resevoir!
Louisiana is the only state that grows in land area every year (Due to alluvial deposits from the Mississippi River).
Israel's Dead Sea is 1,312 feet below sea level.
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
Every year, Alaska has about 5,000 earthquakes.
Check your map! Virginia extends farther west than West Virginia.
Australia's Great Barrier Reef is 1,250 miles long!
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