Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
The city of Houston, Texas is built on a swamp and is slowly sinking!
89
The Atlantic Ocean is saltier than the Pacific Ocean.
54
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
In 1850, only 8% of the people in California were women.
0