Mímisbrunnr is a well-known well in Norse mythology, associated with wisdom and knowledge. It is located beneath one of the roots of the great world tree, Yggdrasill. The well is named after Mímir, a wise being who guards it. According to the myths, drinking from Mímisbrunnr grants immense wisdom. Odin, the chief of the gods, sacrificed one of his eyes to gain access to its waters, highlighting the lengths to which he would go for knowledge. The well symbolizes the pursuit of wisdom and the sacrifices often required to attain it.