Experiment with Godot WebXR
Godot is a game engine which can be used to create games. Downloading packages to do with XR like tools and OpenXR allows the development of immersive VR/AR experiences. Exporting the project as a HTML project will include the WebXR API which it will allow the VR/AR immersion in the browser.
Video of moving around in the 3D space as if you'd have a VR headset
Website embed of a plain map
⚠️ Only works with VR/AR headset