Have you looked on https://btcmap.org/ ?
Discussion
I actually did check this out earlier today, very cool. We need more! Have not had the chance to go to deep but a lot of the places looked like had not been verified in some years.
You should get some business kits from nostr:npub18kpw3akvdsyk239lx0jgwksr74sq4nlha3r8u9g2rnrhztfpfhysy469c4 and try to orange pill some more restaurants!