The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
Louisiana is the only state that grows in land area every year (Due to alluvial deposits from the Mississippi River).
41
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
Forest growth in the US has exceeded harvest since the 1940’s. Today, we have more trees than any time in the past 100 years.
14
Israel's Dead Sea is 1,312 feet below sea level.
48