Minecraft Map Layout. Custom maps and games are a popular aspect of Minecraft. Usage: /map to give yourself a maplands map.
Importing Schematics into Minecraft Using MCEdit. Countless creators have released maps and game modes for players to download and enjoy. Or at least there are a lot.
That page also explains maps' limitations and pitfalls.
This Minecraft tutorial explains how to use a cartography table to lock a map with screenshots and step-by-step instructions.
How to Map Out your Minecraft Skin. Or at least there are a lot. The map page explains how to craft maps and how they automatically draw themselves as you move through the world.