Due to earth's gravity it is impossible for mountains to be higher than 49 000 feet (15,000 metres).
Largest meteorite crater
The largest meteorite crater in the world is in Winslow, Arizona. It is 4,150 feet across and 150 feet deep.
More Geography Facts
The World Trade Center towers used to have two zip codes, 10047-10048, one for each building.
The water of the Antarctica is so cold that nothing can rot there.