There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
Australia's Great Barrier Reef is 1,250 miles long!
45
The state with the longest coastline in the Continental U.S. is Michigan.
31
The water of the Antarctica is so cold that nothing can rot there.
334
The state of Florida is bigger than England!
74
In 1850, only 8% of the people in California were women.
0
The city of Houston, Texas is built on a swamp and is slowly sinking!
89
The Sahara desert expands at about 1km per month.
90