The museum was then built again in 1920 after the damaged by the earthquake in 1917, but the function was changed as pantry until 1932. It was changed once again as museum since Walter Spies, Germany artist, give his idea to save and keep Bali prehistoric goods in this museum.

The museum consists of a number of building and pavilion which is showing many prehistoric goods. There are some examples of Bali Palace and Pura. The gate is carved as Bentar Temple and Kulkul tower (large drum for giving a kind of warning).

The major building shows prehistoric goods as stone, copper and traditional stuff which is use until today. The north pavilion shows the dance costume and a variety of masks, while central pavilion built as kind of Karangasem Pavilion Palace in Amlapura which is the King used to have a kind of meeting. The south pavilion shows a type of textile collection such as endek, ikat, songket, and prada.

For those who interesting to visit the museum, it is open at 07.30 until 15.30 on Monday until Thursday and at 07.30 until 13.00 on Friday.