The water between India and Sri Lanka is only 3-30 feet deep and was purportedly passable on foot until 1480 AD when a cyclone moved some sand around.
1
Louisiana is the only state that grows in land area every year (Due to alluvial deposits from the Mississippi River).
41
The state with the longest coastline in the Continental U.S. is Michigan.
31
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
The 'King Ranch' in Texas is bigger than the state of Rhode Island.
49
Even Antarctica has an area code. It's 672.
58
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