Mexico City is built on top of an underground resevoir!
47
Europe is the only continent without a desert.
62
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
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
Even Antarctica has an area code. It's 672.
58
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8