Phanom Rung Stone Castle is one of the historical parks in Thailand. Phanom Rung Stone Castle is located on “Khao Phanom Rung” at the crater of an extinct volcano. Every year, Phanom Rung Stone Castle still has the phenomenon of the sun rising and setting through all 15 doors in the same line. Currently, Phanom Rung Stone Castle is being considered as a world heritage site.