Don't forget to check out these incredible photographers:

Gemenai Graphics and Photography	The work of a talented graphic designer and photographer.
Mike Dawson	Stunning, colorful landscape photos in a style that is instantly recognizable.
Kevin Skinner Photography	Wonderfully artistic black-and-white photography.
Denis Wagovich	A talented photographer of both landscapes and wildlife.
Marc Adamus	"Unforgettable" and "one-of-a-kind" only begin to sum up these landscape shots.
Luminous Landscape	An invaluable photography resource.

It's not photography, but it's still neat:

Julian Beever's Pavement Drawings

Amazing what you can do with some chalk.