If you're having a hard time finding all of the five different pieces, try going around the site and clicking on things! There are a lot of symbols and images that you wouldn't necessarily expect to be links that are. There's also hover text on some things, although that's just flavor and doesn't include anything for the quest.

If you've tried that and still can't find the pieces, here's a list of all the pages the different pieces are hidden on.

If you've found all the pieces and are having a hard time using them to get the final key, click here for another hint.