It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
Europe is the only continent without a desert.
62
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
Mexico City is built on top of an underground resevoir!
47
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
