Complete maps of the first Zelda game for the NES, including layer seperations for those who want to tweak with the images.
The second quest is not mapped at this time. I never got around to it, sorry. I know there are others who have, so you should be able to find them with a bit of searching.
Grotto key — Use this legend to match up the cave letters on the map
All dungeons (459KB)
To answer the most common question I get: you get past the "grumble grumble" guy in level 7 by giving him meat. I'm not a strategy guide though, just a mapper, so get answers to such questions at GameFAQs.com.