Preah Khan. Totally felt like an explorer as a young guy took us on the room and around parts of the ruins that most people don't see.
Lotus flowers in the moat of Angkor Wat
East gate of Angkor Thom
Angkor Wat from a nearby hilltop temple
Apsara (dancer) carvings are at most of the temples
Small ceremony at Preah Khan
Sunrise at Angkor Wat (always ranked in the top 10 sunrises in the world)