More than 25% of the world's forests are in Siberia.
51
Mexico City is built on top of an underground resevoir!
47
One cubic mile of seawater contains about 50 pounds of gold.
79
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
Even Antarctica has an area code. It's 672.
58
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
Europe is the only continent without a desert.
62