We found this little guy (or girl?) in the parking lot at work:
After a little bit of online searching, we found out it is a two-tailed swallowtail butterfly! This thing was a couple inches long and really strange-looking so it stood out really well. I learned that they start out green. When they turn brown, it's time for them to go looking for somewhere to build their cocoon so they can turn into one of those huge yellow and black butterflies!