https://en.m.wikipedia.org/wiki/List_of_revolving_restaurant...
The example on that list that I had been to most recently is the Westin in Atlanta.
It's 57M in diameter and it's upper floor spins at once every 30 minutes. Plugging that into Mω²r, you end up with 0.0000354084g.
Not exactly the best example.
https://en.m.wikipedia.org/wiki/List_of_revolving_restaurant...