Wechayan Wichian Prasat Throne Hall, Phra Nakhon Khiri Historical Park This exquisite prang-shaped throne hall is the centerpiece of the Eastern peak of Khao Wang. Built during the reign of King Rama IV, its architecture is a masterful fusion of traditional Thai craftsmanship and Western influence. Adorned with delicate Phetchaburi stucco work, it stands as a majestic symbol of the royal palace overlooking the city.