This private day trip from siem reap highlightsthe main temples of the angkor archaeologicalcomplex designateda unesco world heritage sitebuilt between the 9th and 13th centuries when the khmer empire was the preeminent influence in southeast asia the temples at angkor were believed to represent the cosmic world seeangkor wat the worlds largest religious monument as well as the ancient walled city of angkor thom and the jungle temple of ta prohm