This is a paid asset, but now you can download Sacred Place Free.
Detail this asset from Unity Store: Original Link
Sacred Place v1.4 (Latest version)
-=PBR Sacered Place ‘Universe’=-
This pack includes modular fantasy a la Sacred Place.
– requires Unity 5.5.0 or higher;
– also contains HD render pipeline demoscene (IMPORTANT: requires update IN Unity Editor 2018 or higher).
– Suitable for unique game places, fantasy temples, squares. Also suitable for showcase your stuff, game lobby, VR spaces etc.;
– modular floor, ground, column;
– Textures 2K for PBR materials;
– Desert skybox 8192×4096;
– Simple dynamic clouds (particle based);
– Sacred Place desert demoscene (used precomputed GI and reflection probe);
– average tris count: ~500.
Textures:
– albedo, specular, normal, emission, height (floor).