A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
More than 25% of the world's forests are in Siberia.
51
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
Forest growth in the US has exceeded harvest since the 1940’s. Today, we have more trees than any time in the past 100 years.
14
The average ice berg weighs 20,000,000 tons!
54
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
