escuse me but what?
You can make a custom map on minecraft with out a map editor by building or demolishing certain land features or you can use a seed by typing your seed in the bottom box on the "create new world" menu.
No it is a custom built map
You have to create a server and load the map to the server.
Of course you can. Minecraft has a folder with worlds in it in Application Support, so just put the map in.
SkyBlock is a great map.
It depends on the map.
-579322790607890076 is the seed and the map is custom
In beta 1.6.6, you can just get the map by making a compass, put it in the middle of the 3x3 crafting box, then surrounding it with paper.
nerdboy64's gun mod
I think that you have to make it on your crafting table.but I'm not a mod fan,so I'm not sure
It requires 1 compass and 8 paper. Put the compass in the center of the crafting table and surround it completely with the paper.
No, there is no website that shows you a map of your Minecraft world. The only way to see a map of your world is by crafting a map in-game. Of course the maps your craft are only so big, and you could go though quite a few of them before you obtain enough to see a significant amount of your world.