There are 365 steps on the front of the U.S. Capitol Building - one for every day of the year.
50
If you dropped an aerodynamic object (such as a bullet) from the Empire State Building, you could kill someone.
132
In Georgia, there is an airtight room called the Crypt of Civilization that was sealed in 1940. It contains numerous artefacts documenting what life was like at the time of sealing, and is scheduled to be opened in the year 8113 to show people of the future exactly what life was like.
13
The Main Library at Indiana University sinks over an inch every year because when it was built, engineers failed to take into account the weight of all the books that would occupy the building.
240
Bullet proof vests, fire escapes, windshield wipers, and laser printers were all invented by women.
1k
Oak trees can live 200 or more years.
61
Los Angeles's full name is "El Pueblo de Nuestra Senora la Reina de los Angeles de Porciuncula"!
72
