It's still possible to see the division between East and West Germany due to different light bulbs.
5
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
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