A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
The city of Houston, Texas is built on a swamp and is slowly sinking!
89
The average ice berg weighs 20,000,000 tons!
54
The water of the Antarctica is so cold that nothing can rot there.
334
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
The 'King Ranch' in Texas is bigger than the state of Rhode Island.
49