> A common one is VR visits for real estate companies and travel agencies, for example.
Yes. There's a mini-industry doing this for real estate.[1] Some systems let you place furniture in the 3D model.
Versions of this idea go all the way back to Apple's "Quicktime VR", which was a chain of spherical images through which you could navigate.
It's a long way from a fun metaverse. (Doing a big metaverse at all is difficult. Making it fun is even harder.)