The Tree of Life

Yggdrasil (from Old Norse Yggdrasill) is an immense mythical tree that plays a central role in Norse cosmology, where it connects the Nine Worlds. ... Creatures live within Yggdrasil, including the dragon Níðhöggr, an unnamed eagle, and the stags Dáinn, Dvalinn, Duneyrr and Duraþrór.