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
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
Louisiana is the only state that grows in land area every year (Due to alluvial deposits from the Mississippi River).
41
More than 25% of the world's forests are in Siberia.
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The state with the longest coastline in the Continental U.S. is Michigan.
31