Bifrost or Bifröst was a mysterious bridge from Norse mythology. This Bifrost bridge connected Midgard land of the human and Asgard land of Gods. According to the myth, Bifröst Bridge was the only path that connected Midgard and Asgard. Bifröst Bridge was believed to transfer not only gods to the land of humanity, but also the fallen warriors who proved themselves worthy living with Odin in Valhalla.
The guardian of the bridge was Heimdall the Asgard Guardsman. Heimdall watched everyone going and coming from Bifrost bridge. With the materials that survived, we can see a picture of a shining rainbow bridge. Some people believed that Odin the Allfather created this holy bridge with three basic elements: air, water, and fire.
The most famous tale about Bifröst bridge was Ragnarok Doom of Gods. Accordingly the myth, Ragnarok was a series of disasters that put an end to the glory of Norse Pantheon. As Heimdall blew the horn to alarm about Ragnarok looming large, Odin and other gods picked up their weapons and joined the battles. Creatures crossed the Bifröst Bridge and joined Ragnarok. When gods fell, Bifröst Bridge collapsed. The world was reborn after Ragnarok but Bifröst Bridge never appeared again.
Bifröst Bridge had many layers of meanings. It was believed to be the Milky Way in the modern sense though many scholars didn’t approve this point. Other believed Bifröst Bridge was the wish of Norsemen to enter Asgard, especially Valhalla. Bifröst was the only one connection between Norsemen and Norse gods.