The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
There are more than 50,000 earthquakes throughout the world every year!
47
The city of Houston, Texas is built on a swamp and is slowly sinking!
89
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
More than 25% of the world's forests are in Siberia.
51
Australia's Great Barrier Reef is 1,250 miles long!
45
One cubic mile of seawater contains about 50 pounds of gold.
79