Humans have long been captivated by what we now call the giant squid (Architeuthis). This image gallery gives a glimpe into our fascination with the animal. For a long time, people saw mysterious movements in the water or found dead giant squid and didn't know what they were—and even confused a giant squid carcass with a merman or mermaid. Now we know otherwise, but it took a long time for scientific evidence to replace the myths about giant squid.