Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
The average ice berg weighs 20,000,000 tons!
54
More than 25% of the world's forests are in Siberia.
51
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
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
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 Amazon rainforest produces more than 20% the world's oxygen supply.
182