I live in LA and I'm pretty sure I've hit the major touristy things to do in this area.

Disneyland, Knott's Berry Farm, Universal Studios, Catalina Island, Hollywood, Santa Monica Pier, Farmer's Market, Getty Center, Griffith Observatory, etc.

But still, there's like a ton of stuff I still haven't done in the LA area.

One thing that I think is completely stupid is that people travel all the way to LA and don't even sample some of the insanely amazing food we have here. Why would you come to a place with such a thriving food scene only to eat McDonalds and KFC? Same thing is true for other areas too. When I went to Mexico, I met a couple who ate Mexican food only once while they were there. Wtf? Who goes to Mexico and eats sushi and pasta? Nuts.