A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
There are approximately three chickens for every human on Earth.
13
It's still possible to see the division between East and West Germany due to different light bulbs.
5
Australia's Great Barrier Reef is 1,250 miles long!
45
The city of Houston, Texas is built on a swamp and is slowly sinking!
89
It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
In 1850, only 8% of the people in California were women.
0