The concept of a world tree exists in various mythologies, notably in Yggdrasil of Norse lore. In Mesopotamian mythology, a similar concept is found in the Tree of Life which represents the connection between the heavens and the earth. Such trees often symbolize the interconnection of life, fertility, and the cosmos, acting as a bridge between different realms. Each mythology presents unique attributes and significance, emphasizing the universal theme of interconnectedness in the fabric of existence.