The world map (and associated dimensions) for the "Surviving with Witchery" series by chilm on YouTube.
Witchery site: https://sites.google.com/site/witcherymod/home
Witchery on MC Forums: http://www.minecraftforum.net/forums/mapping-and-modding/minecraft-mods/wip-mods/1445248-witchery-0-22-0
World seed: -880108443
Minecraft 1.7.10
Mod List:
witchery 0.24.1
CodeChickenCore 1.0.4.29-universal
CodeChickenLib 1.1.1.110-universal
NotEnoughItems 1.0.3.74-universal
InventoryTweaks 1.58-147
Dimensional Anchors 59.0.2
immibis core 59.0.8
JourneyMap 5.0.1 Unlimited
fastcraft 1.21