If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
The Sahara desert expands at about 1km per month.
90
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
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
