Israel's Dead Sea is 1,312 feet below sea level.
48
The city of Houston, Texas is built on a swamp and is slowly sinking!
89
Europe is the only continent without a desert.
62
The Atlantic Ocean is saltier than the Pacific Ocean.
54
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
Australia's Great Barrier Reef is 1,250 miles long!
45