in vr, i like spending time looking rocks :)
in VR I like to spend minutes looking at... the stones, their texture, often the stones and rocks show different and apparently random imperfections, which is a pleasure to see replicated in 3D in environments such as a beach, a forest etc.
in particular, the first game that gave me pleasure to discover in this sense was doom3 in vr: the doom3 engine was the first to show these particular textures for metals and rocks