What in the world(s)?

Had we but world enough, and time ...

One of the best known, best realized, most beloved worlds of science fiction is surely Dune, the centerpiece, eponym, and (in a sense) main character of Frank Herbert's most acclaimed novel. If you share even a fraction of my affection for the story/world, you're certain to enjoy " 'Dune' concept art shows the evolution of David Lynch's sci-fi vision" (for Lynch's 1984 film realization).

It IS a grand canyon(If there is a flaw in Dune, it's homegenity:...