It is an invaluable art that has been created from wisdom until it has become a unique and beautiful architecture of this locality in Nong Bua Lam Phu. For anyone who has visited the area of ​​Nong Bua Lam Phu. Do not forget to visit the beauty of Sim Mai, Charoen Song Tham Sim Mai Temple, Charoen Song Tham Temple, located in Ban Don Por, Nong Bua Tai Subdistrict. Simmai Wat Charoen Songtham, this is a solid chapel in the traditional Isan style, built entirely of wood compact shape. The width and length are equal. The high airy roof makes the atmosphere cool inside. The building is rectangular in shape with a high hall with a front porch. Facing east, there is a door and a staircase leading up to the front of the stairway of brick and mortar. The head of the stairs is decorated with stucco in the shape of a serpent. The gable is decorated with wooden panels carved in the form of Garuda and honeycomb. The wall is a horizontal plank cover. The side wall has 4 windows on each side, while the side wall has a solid back. The gable roof is stacked on top of each other, decorated with a bouquet made of wood carved with Isan elements in the middle of the roof ridge. The original roofing was made of wood pellets. current is zinc Inside, the main Buddha image in the posture of meditation is enshrined. The villagers call it "Phra Khenor", which was built in 1946, which was originally a Siem Nam located in a pond in the east. Later around the year B.E. 1955 moved to set up on land in the northwest of the temple The construction of the base of Sim as a mortar base was completed in 1959.