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
Check your map! Virginia extends farther west than West Virginia.
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The Caspian Sea is also classed as the world's largest lake.
52
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
There are more than 50,000 earthquakes throughout the world every year!
47
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
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
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