The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
It's still possible to see the division between East and West Germany due to different light bulbs.
5
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
Forest fires move faster uphill than downhill.
52
One cubic mile of seawater contains about 50 pounds of gold.
79
The 'King Ranch' in Texas is bigger than the state of Rhode Island.
49