10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
Check your map! Virginia extends farther west than West Virginia.
67
More than 25% of the world's forests are in Siberia.
51
It's still possible to see the division between East and West Germany due to different light bulbs.
5
The city of Houston, Texas is built on a swamp and is slowly sinking!
89
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
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59