I remember when Biosphere 2 was first put into operation when I was in elementary school, and I thought it sounded like the most AWESOME thing EVER. Today, it’s a part of the University of Arizona, and they’ve turned it into a huge lab that does walking tours!

If you’re ever within two hours of it, I highly recommend going over and seeing it! For the rest of my photos check out my FB album: https://www.facebook.com/media/set/?set…