Kongōbu-ji is the main temple of Kōyasan Shingon Buddhism, nestled on Mount Kōya in Japan. Its name translates to "Temple of the Diamond Mountain Peak." Originally built in 1593 and renovated in 1861, this sacred site boasts stunning sliding screen doors painted by Kanō Tanyū and a massive rock garden featuring dragons emerging from clouds. Visitors can join meditation sessions and listen to sermons by the monks, immersing themselves in the peaceful atmosphere of this UNESCO World Heritage Site.