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 names of the continents all end with the same letter with which they start, excluding the North and South infront of AmericA.
86
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 Amazon rainforest produces more than 20% the world's oxygen supply.
182
The Sahara desert expands at about 1km per month.
90