This project is intended to be a starting point for procedural Unity 3D terrain generation. It uses some standard Unity 2019.3 assets and should work out of the box but no promises ...

Cesium for Unity streams real-world 3D content such as high-resolution photogrammetry, terrain, imagery, and 3D buildings from Cesium ion and other sources, available as optional commercial ...

Exploration of unknown terrains to learn the geographical significance of the place plays a major role in making new discoveries that may lead to new inventions and better understanding about Earth.

The Open 3D Foundation today launched the latest version of its Open 3D Editor, which competes with the likes of Unity and Epic's Unreal Engine.