Even though this waterfall is over 60 feet high, I sometimes feel it is much more interesting to shoot flowing water close-up.  This is Sill Branch Falls located in Unicoi County, Tennessee.

Photo details: Nikon D80, Nikon 18-200mmVR lens @28mm, f/14, 1.3 sec. shutter, 100 ISO.  Shot with a circular polarizer on Shutter Priority mode.