We've written about Mapstalgia a couple times before. On the tumblr, people submit maps of classic games that they've drawn from memory. This map of the Red Light District from Duke Nukem 3D, strains the whole "from memory" aspect of things, but it's still impressive. (You can view the full version by expanding the…
We've written about the very cool blog "Mapstalgia" before, where Josh Millard is collecting drawings from users who re-create levels from their favorite video games from memory.
What you're looking at is obviously not the official map of The Legend of Zelda; it's what The Legend of Zelda's map looks like to themadjuggler, one of the many contributors to Mapstalgia, a website dedicated to reproducing video game maps from memory.