In 1850, only 8% of the people in California were women.
0
Mexico City is built on top of an underground resevoir!
47
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
The state with the longest coastline in the Continental U.S. is Michigan.
31
Even Antarctica has an area code. It's 672.
58
The water of the Antarctica is so cold that nothing can rot there.
334
The Caspian Sea is also classed as the world's largest lake.
52