The city of Houston, Texas is built on a swamp and is slowly sinking!
89
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
The state with the longest coastline in the Continental U.S. is Michigan.
31
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14
The Sahara desert expands at about 1km per month.
90
The Atlantic Ocean is saltier than the Pacific Ocean.
54
The average ice berg weighs 20,000,000 tons!
54