10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
Mexico City is built on top of an underground resevoir!
47
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
Europe is the only continent without a desert.
62
The water between India and Sri Lanka is only 3-30 feet deep and was purportedly passable on foot until 1480 AD when a cyclone moved some sand around.
1
Every year, Alaska has about 5,000 earthquakes.
31
The 'King Ranch' in Texas is bigger than the state of Rhode Island.
49