Monarchs by the Millions in Mexico

The world's largest insect migration ends each year in Michocan, Mexico, greatbigstory.com reports.

Millions of monarch butterflies travel from the United States and Canada to pass the cold months in the towering trees of the beautiful forest there.

On their incredible journey, the butterflies travel around 2,800 miles, the website reported.

For a fascinating video about the monarchs: http://kenallensforum.blogspot.com/