Europe is the only continent without a desert.
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Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
More than 25% of the world's forests are in Siberia.
51
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243