This is a virtual reality panorama. You will need to install QuickTime, available free from Apple Computer to view it.
Drag on the image with the mouse to look in different directions. Press Option to zoom in. Press Control to zoom out.

There is also a larger version of this panorama available.

To see over a thousand virtual reality panoramas of western North America and Pacific islands, visit The Virtual Guidebooks website. There is also a page listing panoramas of waterfalls.