A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
One cubic mile of seawater contains about 50 pounds of gold.
79
In 1850, only 8% of the people in California were women.
0
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
Check your map! Virginia extends farther west than West Virginia.
67
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
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
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