This lovely historic building -- built in the 1890s to refine gold from the Kalgoorlie goldfields, and to mint currency -- is one of the world's oldest mints operating from its original premises. It now produces commemorative coins for collectors around the world, and bullion is still traded here. Hourly guided tours allow visitors to see Australia's largest collection of nuggets, watch gold coins being minted, handle a 400-ounce gold bar, and engrave their own medallion. Tours start with a guided heritage walk and lead on to the molten-gold pouring demonstration (hourly 10am-4pm daily). The shop sells gold coins and jewelry made from West Australian gold, diamonds, and pearls.