In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
The Sahara desert expands at about 1km per month.
90
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
Every year, Alaska has about 5,000 earthquakes.
31