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 North Atlantic gets 2.5 centimetres (1in) wider every year.
119
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
Even Antarctica has an area code. It's 672.
58
There are more than 50,000 earthquakes throughout the world every year!
47
The state with the longest coastline in the Continental U.S. is Michigan.
31
The state of Florida is bigger than England!
74