The average ice berg weighs 20,000,000 tons!
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A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
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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
Mexico City is built on top of an underground resevoir!
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10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
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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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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!
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