There's a lake under Antarctica that is 25 million years old called Lake Vostok.
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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.
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Australia's Great Barrier Reef is 1,250 miles long!
45
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
One cubic mile of seawater contains about 50 pounds of gold.
79
Longest officially recognized place name is Taumatawhakatangihangakoauauotamateapokaiwhenuakitanatahu.
112
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59