Every winter, the remote and mountainous volcanic forests of Mexico are home to one of nature's greatest gatherings - hundreds of millions of migrating monarch butterflies weathering the winter. For centuries this miracle was hidden from all but a few. When it was revealed to the world it was hailed as one of the greatest discoveries in nature.
Opens March 13, 2013 in COSI's Extreme Screen Theater.
Loading more stuff…
Hmm…it looks like things are taking a while to load. Try again?