The Sahara desert expands at about 1km per month.
90
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14