Westworld showrunners explain that premiere episode
A lot of questions get answered in this interview! A lot of things are revealed about the structure of the park itself. Outlining the important things from the interview below:
So the idea is that most of the facilities are underground. We sort of pictured a 100-story building skyscraper that goes down instead of up, which for us was also a visual metaphor for the age of the park. When you’re in the older portion of it [far below the surface], the cold storage, it has been clearly repurposed from something that used to be more grand. The more functional bloody aspects of host maintenance are literally down further on the totem pole and when you get to the top of the mesa structure – that pool area you see in the episode – that’s a detox area from people coming out of the park. The idea being, you wrap up your stay in the park and spend a night or two on the mesa having a cocktail, reliving your experiences with a little R&R before you go back to the real world. So the shock of coming out of full vacation mode – or homicidal mode, or whatever your fa...
Post-Finale Interview with Jonathan Nolan & Lisa Joy
There are a bunch of interesting tidbits in these videos! It also provides a pretty important clue about how to figure out who is a host and who isn't:
In the case of a host, the camera will be ahead of them so that it is facing the host and leading them. This shows that the hosts are on predetermined paths. For example, with Teddy and Dolores, the camera is usually ahead of them and looking back at them.