forest at phanom dong rak mountain range view from pha mo i daeng viewpoint in khao phra wihan national park, si sa ket, thailand

ancient antique architecture atop building cambodia castle cliff clifftop daeng dong forest green heritage hindu history isan jungle kantharalak ket khao khmer kingdom landscape laterite mountain national nature old outdoor park pha phanom phra point prasat preah rak range region religion religious remains ruins sanctuary sandstone site sivaite stone structure temple thailand tourism tourist unesco view viewpoint vihear wihan world wreckage