Well, wonder no longer. The Internet Archive Wayback Machine (for those of you who have yet to encounter its magnificence) allows users to input any domain they can think of, and chances are, there will be a litany of dates to choose from. Of course, the obscure website you visit every Saturday night alone in your room will probably not be found, but taking a look at the changes that have taken place on the more popular sites is definitely interesting.
The aesthetics and functionality of websites have definitely been increased over the years, but the most interesting things I noticed while using this program is that some of the major websites used today started off with very different purposes. Check it out for youself!