The Sahara desert expands at about 1km per month.
90
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
Mexico City is built on top of an underground resevoir!
47
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
The water of the Antarctica is so cold that nothing can rot there.
334
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
Longest officially recognized place name is Taumatawhakatangihangakoauauotamateapokaiwhenuakitanatahu.
112
The city of Houston, Texas is built on a swamp and is slowly sinking!
89