The concept of "survival memories" lingering on in northern European culture, concerning human like creatures that might be intermarried with, even by the gods, is an odd facet of the European mindset, which has a counterpart or two in North America, in the form of the Wendigo and Sasquatch.

Maria's reminder that Herodotus recorded the habit of Norse pilgrims visiting the shrine on Delos, certainly represents a deep cultural link. Delos was home to a shrine of Apollo, the classic Indo-European sky god. Also, the voyage of Argo, covers necessary portage sites, which further suggest a deep prehistoric connection between Hellene and Norse oceanic and riverine navigation, as suggested, as well, by Pytheus.