The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
The Atlantic Ocean is saltier than the Pacific Ocean.
54
The city of Houston, Texas is built on a swamp and is slowly sinking!
89
Australia's Great Barrier Reef is 1,250 miles long!
45
It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
Louisiana is the only state that grows in land area every year (Due to alluvial deposits from the Mississippi River).
41
Israel's Dead Sea is 1,312 feet below sea level.
48
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59