In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
The state with the longest coastline in the Continental U.S. is Michigan.
31
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
More than 25% of the world's forests are in Siberia.
51
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
Check your map! Virginia extends farther west than West Virginia.
67
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119