I think nothing unites the world as much as Dragons. It seems like every culture have some flavor of the concept of dragon like creatures.
From the Norse mythology there is Fafnir.
Chinese: Long
Arabia: Falak
India: Naga
Aztecs: Quetzalcoatl
Egypt: Apep
Hawaii: Kalamainuʻu
This is just a few examples. There are many many more to find in religious texts, stories and folklore.