Mexico City is built on top of an underground resevoir!
47
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
It's still possible to see the division between East and West Germany due to different light bulbs.
5
The state with the longest coastline in the Continental U.S. is Michigan.
31
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18