There's a lake under Antarctica that is 25 million years old called Lake Vostok.
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Israel's Dead Sea is 1,312 feet below sea level.
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Mexico City is built on top of an underground resevoir!
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The warmest temperature ever recorded on Antarctica was 3 degrees F.
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The Amazon rainforest produces more than 20% the world's oxygen supply.
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Check your map! Virginia extends farther west than West Virginia.
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Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
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The water between India and Sri Lanka is only 3-30 feet deep and was purportedly passable on foot until 1480 AD when a cyclone moved some sand around.
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