Pay homage to the Buddha's relics at the Metal Castle.

The Metal Castle, Wat Ratchanatdaram Worawihan .. is the first and only metal castle in Thailand, and is considered the third in the world. It was built during the reign of King Rama III. .. The Metal Castle of Wat Ratchanatdaram Worawihan features Thai architectural art as a three-tiered castle with 37 spires, representing the 37 virtues towards enlightenment. .. Inside the Metal Castle is the place where the Buddha's relics are enshrined, according to Buddhist beliefs. The relics are enshrined on the very top level of the Metal Castle, which has a total of 7 levels.