The deity known as 'Odin' may actually originate with a priest-king who came to Scandinavia with his people, and may have his origins east of the Caucasus Mountains.
Not a god at all but actually a man, a king!
In mythologies across the world we find references to an underworld, often with cities and kingdoms such as Shambhala.
From Europe to Asia, even in the Americas.
12,000 years old underground tunnel networks have been discovered, could they have connection to the ancient myths?