Microsoft Zoom.it

Microsoft's Live Labs has come up with a neat way of sharing pics on the web called Zoom.it.
Here's an example of Caesarea Maritime aqueduct.

This was a stitched together panorama, so the resolution isn't the greatest, but you get the idea. Use the buttons at the lower right to zoom or go to full screen. You can grab and move the image around. Use your mouse wheel for zooming...
Zoom.it also works for capturing full web pages like this:

(Do note that it captures an image of the page. Links do not work.)
It's easy to create your own, so give it a try. For more info, also check HERE.