The Sahara desert expands at about 1km per month.
90
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
Australia's Great Barrier Reef is 1,250 miles long!
45
The state with the longest coastline in the Continental U.S. is Michigan.
31
It's still possible to see the division between East and West Germany due to different light bulbs.
5
There are approximately three chickens for every human on Earth.
13
It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18