Founded in 2003, the Busan Geological Museum concentrates the Busan area within less than 20 square kilometers, and preserves the structural relics that occur in 2.5 billion years, 18.7 billion years, and 5.43 billion years; Within the range of less than 400 square kilometers of Lushan Mountain, it is fully exposed to the essence of metamorphic and sedimentary rock formation sequences of the world's unique archaeological, proterozoic, paleozoic, mesozoic, and Cenozoic five geological periods. It is known by geologists as the "five generations of the same class". The Natural Geological Museum.