The Metal Castle, one of the three in the world.

The Metal Castle is a large structure that stands prominently within Wat Ratchanadda. It is believed to have been built in the early Rattanakosin period. The building features several dozen golden spires on a seven-story structure. It is considered an architectural masterpiece, beautifully decorated with intricate and unique designs. A must-see attraction. Visitors are allowed to enter, but must be respectful and remove their shoes before entering. The view from the top offers a panoramic sight of the Democracy Monument, Wat Saket (Golden Mount), palaces, and the inner city of Bangkok.