Australia's Great Barrier Reef is 1,250 miles long!
45
There are more than 50,000 earthquakes throughout the world every year!
47
Check your map! Virginia extends farther west than West Virginia.
67
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
Mexico City is built on top of an underground resevoir!
47
In 1850, only 8% of the people in California were women.
0
The names of the continents all end with the same letter with which they start, excluding the North and South infront of AmericA.
86
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56