Cetaceans, such as beaked whales or baleen whales, have captivated humanity due to their unique biology and presence in popular culture. These marine mammals, which are evolutionarily related to deer and cows, hide many secrets. From their relationship with freshwater dolphins to their role in the Cold War, where they were trained by military forces, cetaceans continue to challenge our understanding. Their history, from the Neolithic to current hunting practices in Alaska, is both fascinating and mysterious.