GigaPan by Jason Buchheim
A school of fish clump into a ball to guard against predators. The 50 megapixel panorama was taken in October 2009 near the Galapagos Islands. It is made up of 19 individual photographs stitched together.
To explore this GigaPan, which requires Flash, use the controls located at the left of the image, or use your keyboard's arrow keys to navigate left or right and the plus and minus keys to zoom in and out. Click "View All" to see the entire image.
To see user-created notes and snapshots for this panorama, visit the GigaPan site.