Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
The average ice berg weighs 20,000,000 tons!
54
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
Louisiana is the only state that grows in land area every year (Due to alluvial deposits from the Mississippi River).
41
The 'King Ranch' in Texas is bigger than the state of Rhode Island.
49
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.
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