Since then, it has amassed a lucrative portfolio of entertainment franchises from "Harry Potter" to "Friends" to DC Comics to Looney Tunes ... most beloved stars and characters.

Here's what the Warner Bros. Studio Tour Hollywood includes, how long it takes and whether you'll see actors and can take pictures on the tour.

The coming year sees the return of Superman, Avatar and Bridget Jones, along with new films from Bong Joon-ho, Paul Thomas ...