What are some must-take classes at Colby?

What are some of the best classes at Colby that one should take while there? I know, for instance, where I went to college that Art History 101 was considered the best. What are the best of the best at Colby?

Lots of folks rave about the introductory Geology class (and with distribution requirements, having a science class with a wow prof is a real bonus!)

American Indians from 1850 to the present was an exceptional class