In addition to archiving websites, the Internet Archive also boasts a huge collection of freely accessible texts, images, audio files, and films. The "Feature Films" collection is particularly fantastic if you're looking for old movies that are out of copyright.
In the Watkinson
You can request these to be pulled from the Watkinson stacks for you. Remember that you can make an appointment to come to the Watkinson if the regular hours don't work for you!