In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
The Sahara desert expands at about 1km per month.
90
Check your map! Virginia extends farther west than West Virginia.
67
The Caspian Sea is also classed as the world's largest lake.
52