So it's not done yet, but to get some momentum going on this thread here's a quick layout I sketched out for a Greece entry land for the mythology park idea. I assumed hub and spoke layout when drawing it, but it's adaptable to any park layout except perhaps grid or whatever the heck DCA is.
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It's kind blurry and very haphazard but the cliffnotes write-up is that the entrance is through the hotel (based on the unused WDW Mediterranean Resort concept) much like Paris, those three little shapes are large statues, the large temple facade (bottom right) houses a boat ride through Greek mythology (not the Disney's Hercules version, but a bit darker, with a trip to the Underworld and a Mount Olympus party), with the storefront facades divided into large retail space (center left), dining (top left), and individualized shops i.e. a potter, a winery, other sorts of small spaces that are kind of lost in favor of mass retail space (right). I also added a small horse stable (bottom left) so that there could be (slow) chariot rides around the main square in less busy times of day and one arcade on the left, because (a they provide a cool space for more theming, (b since the main thoroughfare is purposefully on the small side it's operationally necessary, and (c because I really like the idea.
I'll keep working on this if everyone oks the idea for a myth park, and please share any thoughts you have! I'd love to hear everyone's feedback!