That may just be a reflection of the kinds of games you’ve been playing. Forza Horizon has been doing an incredible job of creating convincingly real locations at high frame rates for a while now, for example[1]. In terms of busy, detailed urban environments that feel solid and alive, look at Half Life: Alyx. Others have pointed to the Matrix unreal demo that shows off some truly gamechanging techniques for environmental modeling and realism.

[1] https://youtu.be/r1xK6PRk1DU