Seven Wonders of the Ancient World by Ben Robinson on Prezi
Have you seen Prezi?! Think of a presentation where you guide the audience around a whiteboard, focusing in here and there.

It's a free service for the basic web-based creator; more if you want extras, or a desktop-based editor.

Here's a very nice example. There's a video embedded, too. (You can add Flash swf's).

Seven Wonders of the Ancient World on Prezi