The city of Houston, Texas is built on a swamp and is slowly sinking!
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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
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
17
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
In 1850, only 8% of the people in California were women.
0
The Caspian Sea is also classed as the world's largest lake.
52