I can think of one particular, famous example I have been to: Regina Pizzeria at 11½ Thacher St in Boston's North End https://en.wikipedia.org/wiki/Regina_Piz

I can think of one particular, famous example I have been to: Regina Pizzeria at 11½ Thacher St in Boston's North End https://en.wikipedia.org/wiki/Regina_Pizzeria https://en.wikipedia.org/wiki/Regina_Pizzeria I imagine there are more in that neighbourhood.