Mexico City is built on top of an underground resevoir!
47
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
The state with the longest coastline in the Continental U.S. is Michigan.
31
The city of Houston, Texas is built on a swamp and is slowly sinking!
89
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
The Sahara desert expands at about 1km per month.
90