{Projoy] I'd looked at Park Place on Google Earth when I first set the question, but didn't notice (or forgot) the fact that part of it is indeed covered.
[INJ] Obviously, without the Monopoly connection it is just a random small street in America. I didn't expect people to know the entire board in the US version, but I thought most people would have come across references to Boardwalk/Place Place (the most expensive properties). I think I had heard of them even before I lived in the US, and I know I've seen several references over the years. I would have picked Boardwalk, but it doesn't begin with P.

[Tuj] P? NO
[Chalky] A double-entendre? *audience completely silent* NO.
[CdM] Have I experienced it recently? *a few titters* YES.

[Raak] Marriage? *much applause* NO.

As opposed to large numbers of uncivil partnerships

[INJ] In-all-but-name? NO.

[cfm] I think you could call it a custom, but not a ritual.