The Parthenon greek temple with columns and roof Low-poly 3D model is available on CGTrader for $20. Original author: Renatas. Specs: 24599 polys, 31098 verts.
BLEND (Blender, filesize: 15.1 MB), OBJ (OBJ, filesize: 14.7 MB), FBX (Autodesk FBX, filesize: 15.1 MB), 3DS (3D Studio, filesize: 13.9 MB)