It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
The 'King Ranch' in Texas is bigger than the state of Rhode Island.
49
The Sahara desert expands at about 1km per month.
90
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
It's still possible to see the division between East and West Germany due to different light bulbs.
5
More than 25% of the world's forests are in Siberia.
51