Check out Angkor Wat - Peah Vihea Temple 3D model on CGTrader for $50. High-quality mesh by mengreahou. Textured.
SKP (Sketchup, filesize: 30.4 MB), OBJ (OBJ, filesize: 60.2 MB), FBX (Autodesk FBX, filesize: 65.2 MB), STL (Stereolithography, filesize: 41.3 MB), 3DS (3D Studio, filesize: 29.6 MB), DAE (Collada, filesize: 26.5 MB)