The ship built by the Argonauts in Greek mythology is called the Argo. Under the leadership of Jason, the Argonauts undertook a perilous quest to retrieve the Golden Fleece. The Argo was crafted by the skilled shipbuilder Argus and was said to be blessed by the gods, which endowed it with unique abilities, such as talking and navigating through treacherous waters. The journey undertaken by Jason and his crew aboard the Argo symbolizes adventure, heroism, and the pursuit of glory in mythological storytelling.