More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
17
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
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
Australia's Great Barrier Reef is 1,250 miles long!
45
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 names of the continents all end with the same letter with which they start, excluding the North and South infront of AmericA.
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