Check out Caernarfon Castle Low-poly 3D model on CGTrader for $24. High-quality mesh by SENSIET: 159893 polys, 103044 vertices. Textured, UV Mapped.
BLEND (Blender, filesize: 26.3 MB), OBJ (OBJ, filesize: 3.64 MB), FBX (Autodesk FBX, filesize: 12.1 MB), TEXTURES (Textures, filesize: 7.24 MB), DAE (Collada, filesize: 11.7 MB), STL (Stereolithography, filesize: 7.62 MB)