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 volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
The water of the Antarctica is so cold that nothing can rot there.
334
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
There are more than 50,000 earthquakes throughout the world every year!
47
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