Scholars have seen strong influences from Near Eastern mythology and literature in the Odyssey. Martin West has noted substantial parallels between the Epic of Gilgamesh and the Odyssey. Both Odysseus and Gilgamesh are known for traveling to the ends of the earth, and on their journeys go to the land of the dead. On his voyage to the underworld, Odysseus follows instructions given to him by Circe, a goddess who is the daughter of the sun-god Helios. Her island, Aeaea, is located at the edges of the world, and seems to have close associations with the sun. Like Odysseus, Gilgamesh gets directions on how to reach the land of the dead from a divine helper: in this case, the goddess Siduri, who, like Circe, dwells by the sea at the ends of the earth. Her home is also associated with the sun: Gilgamesh reaches Siduri's house by passing through a tunnel underneath Mt. Mashu, the high mountain from which the sun comes into the sky. West argues that the similarity of Odysseus' and Gilgamesh's journeys to the edges of the earth are the result of the influence of the Gilgamesh epic upon the Odyssey.
The Cyclops' origins have also been surmised to be the results of Ancient Greeks finding an elephant skull, by paleontologist Othenio Abel in 1914. The enormous nasal passage in the middle of the forehead could have looked like the eye socket of a giant, to those who had never seen a living elephant.