Check out ancient building 3D model on CGTrader for $15. High-quality mesh by jwolf73. PBR, Textured, UV Mapped.
BLEND (Blender, filesize: 28 MB), OBJ (OBJ, filesize: 10.9 MB), FBX (Autodesk FBX, filesize: 15.7 MB), JPG (JPG, filesize: 39.9 MB), STL (Stereolithography, filesize: 11.1 MB), TEXTURES (Textures, filesize: 11.9 MB)