No travel guide to Cambodia would be complete without mentioning Angkor Wat. The vast temple complex, which is the most famous Cambodia attraction, is a UNESCO World Heritage Site that’s well-known across the globe. Given the size of the archaeological site—more than 162 hectares—it’s worth dedicating a couple of days of your trip to exploring Angkor Wat. TIP: Arrive around 5 am to enjoy the most unforgettable sunrises of your life!