Mexico City is built on top of an underground resevoir!
47
Europe is the only continent without a desert.
62
Forest growth in the US has exceeded harvest since the 1940’s. Today, we have more trees than any time in the past 100 years.
14
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
The state of Florida is bigger than England!
74
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41