A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
The average ice berg weighs 20,000,000 tons!
54
The water of the Antarctica is so cold that nothing can rot there.
334
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
One cubic mile of seawater contains about 50 pounds of gold.
79