This could be the world’s most bizarre drink. The Herveys Range Heritage Tea Rooms near Cairns, operating from the Eureka Hotel, the oldest building in north Queensland, is the only café in the country that sells Kopi Luwak. And since it’s the world’s rarest coffee blend, it costs $50 per cup. Let’s talk you through it: The beans are harvested in Indonesia on the islands of Sumatra, Java and Sulawesi. But they’re not, and this is the important part, simply plucked from coffee plants. Oh no. They’re collected from the poo of the Common Palm Civet, or Luwak, a catlike...