There are great guesses around that – the 1973 film featured Roman World and Medieval World, with subsequent sequels adding “Futureworld” and even “Spa World.”
By virtue of math, that leaves three whole parks currently unidentified, and potentially in the midst of their own robot uprisings.
Westworld will take us into the enigmatic “Shogun World” tonight, and has already clued us into a third park with last week’s visit to the Indian-themed “The Raj.”