Last updated at 13:44 BST, Tuesday, 10 September 2013
Los Angeles is Spanish for 'The Angels'. Los Angeles, often referred to as LA, is the most populous city in the state of California.
The Hollywood sign is a very famous landmark located in LA.
The word robot was first introduced by the Czech writer Karel Čapek in his play R.U.R. (Rossum's Universal Robots), published in 1920.
The play begins in a factory that makes artificial people called robots.