Forest fires move faster uphill than downhill.
52
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
The state of Florida is bigger than England!
74
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
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
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14