The Atlantic Ocean is saltier than the Pacific Ocean.
54
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
The city of Houston, Texas is built on a swamp and is slowly sinking!
89
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
Every year, Alaska has about 5,000 earthquakes.
31
The average ice berg weighs 20,000,000 tons!
54
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18