Having recently finished watching The Americans, the second I saw ‘O Paisano on Gomorrah: The Origins, my Philip Jennings disguise radar pinged. Was he secretly assigned to Naples in the 70s to stir things up during the Years of Lead?

As far as Fallout sets go, I think New Vegas rivals Filly in terms of size and scale. Photos by u/RafiY.

That's the exteriors of almost all the major New Vegas landmarks, and compared to the game (where everything is kinda close together due to gaming limitations), built more to scale.

Bonus, with potential spoilers (from one of tunnelsnakesfool's shorts):

And there's the text on the Lucky 38's marquee:

It reads "Welcome to the American Economic Forum, Brought to You by RobCo".

So we're going to see a mix of pre-War New Vegas scenes and 2296/2297 scenes here. The pre-War scenes will probably fill in some gaps in House's activities between the big meeting and the start of the Great War, and also maybe provide some insight as to where Barb might've gone.