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
It's still possible to see the division between East and West Germany due to different light bulbs.
5
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 Niagara Falls moves upstream at an average rate of about 295ft a century!
48
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
In 1850, only 8% of the people in California were women.
0