The Amazon rainforest produces more than 20% the world's oxygen supply.
182
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
It's still possible to see the division between East and West Germany due to different light bulbs.
5
Forest fires move faster uphill than downhill.
52
Even Antarctica has an area code. It's 672.
58
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
The state with the longest coastline in the Continental U.S. is Michigan.
31