One of the most magical sights — at least for me — is the confluence of Rivers Indus and Zanskar. The two rivers have very distinct colors, whether you are looking down from the mountain road that hugs the mountain on its side, or right from the beach. Here is my blog post about the confluence.
Photo made with Leica M-A. Focal length 50mm. Aperture f2. Exposure time: 1/500th of a second.