For your viewing pleasure, I've rounded up some awesome videos of ants in captivity. It's amazing to see what those little guys (um, I mean primarily sterile females) are doing when we're not watching. Also, the technical term for an "ant farm" (meaning a true captive habitat for ants, not a toy) is: Formicarium.
Leafcutter Ants - San Diego Zoo
A brief intro to leafcutter ants from Paige Howorth of the San Diego Zoo.
Leafcutter Queen Ant
From someone's personal colony, this video... READ ON