To view details about the classes and the instructors, go to the "Register" page, scroll to the bottom and input your email address, click "Continue", and then scroll again to the bottom of the page.
How to view classes and instructors, without registering! Once you have clicked continue, just scroll down the page bypassing all of the registration questions. When you get to the bottom, you will see the classes. When you are through just close the page and your personal information will not be saved.