An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
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Forest growth in the US has exceeded harvest since the 1940’s. Today, we have more trees than any time in the past 100 years.
14
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
Check your map! Virginia extends farther west than West Virginia.
67
The state of Florida is bigger than England!
74
It's still possible to see the division between East and West Germany due to different light bulbs.
5