The Caspian Sea is also classed as the world's largest lake.
52
The Sahara desert expands at about 1km per month.
90
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
The city of Houston, Texas is built on a swamp and is slowly sinking!
89
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25
It's still possible to see the division between East and West Germany due to different light bulbs.
5
The average ice berg weighs 20,000,000 tons!
54
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56