Even Antarctica has an area code. It's 672.
58
There are more than 50,000 earthquakes throughout the world every year!
47
It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
Every year, Alaska has about 5,000 earthquakes.
31
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
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 longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
The Sahara desert expands at about 1km per month.
90