There's a lake under Antarctica that is 25 million years old called Lake Vostok.
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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
Forest fires move faster uphill than downhill.
52
The state of Florida is bigger than England!
74
More than 25% of the world's forests are in Siberia.
51