The CIA training ground at Camp Peary, where recruits are trained to become field officers (American Spies). Lots of cool and sneaky skills are taught and practiced there. Also the place where most CIA officers get married.
After I graduated from the farm, I became a Field Officer for the CIA. I then spent 2 years overseas recruiting agents for the CIA. Then I met my wife at a CIA social and we got married at the farm. It was beautiful. Too bad our parents weren't aloud to attend.
This is something that can be bet, sold, or transacted in some manner. It is a methaphorical term that is used to describe all of or a majority of one's money or belongings. The actual ammount of money it represents is dependent on a number of factors.
While playing some no limit Texas Hold 'em, I bet the farm and declared "All in"