More than 25% of the world's forests are in Siberia.
51
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
Check your map! Virginia extends farther west than West Virginia.
67
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55