There are more than 50,000 earthquakes throughout the world every year!
47
The Sahara desert expands at about 1km per month.
90
Check your map! Virginia extends farther west than West Virginia.
67
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
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
The 'King Ranch' in Texas is bigger than the state of Rhode Island.
49