The average ice berg weighs 20,000,000 tons!
54
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
Check your map! Virginia extends farther west than West Virginia.
67
More than 25% of the world's forests are in Siberia.
51
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
Forest fires move faster uphill than downhill.
52