6 astonishing facts about America

2. There is enough water in Lake Superior to cover the entire landmass of North and South America in one foot of liquid.

3. Meanwhile, the US sells enough pizza every day to cover 100 acres.

4. The largest air force in the world is the US Air Force. The world�s second-largest air force is the US Navy and Marine Corps combined.

5. Three of the world�s five oldest rivers flow through America: The New, the Susquehanna, and the French Broad Rivers are each hundreds of millions of years old.

6. But as a nation, America is young: the US government is still paying one pension on behalf of a Civil War veteran (to his 85-year-old daughter).