Old Big Gun Museum

 The uniqueness of the museum is the 3-storey European building. The building is painted in yellow with white lines while the windows are painted in green. The building colour of yellow with green colour was very popular in the past. The building is large, wide and long to the edge of your vision. In front of the building are 40 old cannons such as Naraisangharn cannon, Phya Thanee cannon and the old cannon set from France. This is the outdoor museum which displays the old cannons from late Ayutthaya period until Rattanakosin period which are narrated according to the age and era. They are all being taken good care of to be decorated around the palace. Apart from these, in each area, there are explanations of each old cannon.