The city of Houston, Texas is built on a swamp and is slowly sinking!
89
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
The Caspian Sea is also classed as the world's largest lake.
52
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25
The state with the longest coastline in the Continental U.S. is Michigan.
31
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
The Sahara desert expands at about 1km per month.
90