Wat Thammakhosok or called “Wat Rong Kho” as it is called by locals, was built in the early Rattanakosin period. It was used to hold rites by Uthai Thani government officials to pledge their allegiance to the king, but has a dark history as the site of executions as well.The most interesting places in the temple are the chapel and the main Buddha image hall. The chapel is of the Rattanakosin period, covered by a tiled roof. Beautiful murals inside line the walls, the works of late Ayutthaya artists. A pedestal inside the main hall has around 20 Buddha images on it, but the main Buddha image is considered the most sacred of all. Outer windowpanes are adorned with plaster drawings of the epic Ramayana as frames. The doors have wooden floral patterns painted in bright red.Wat Thammakhosok is on Si Uthai Road, Tambon Uthai Mai in Amphoe Mueang. It is open from 6.00 am-5.00 pm daily.