Ender Genesis

This mod adds a new dimension that gives access to a portable base, the pocket dimension. In order to access this dimension build or find enderworld portals (one infused glowstone and two infused blocks of gold) in the overworld and travel through them. Then, find a pocket dimension portal made of bedrock. They cannot be built, they must be found. In order to infuse something or travel through a portal, hold the use button a long time. You can take everything with you that you rode (mustn't be too big like the create mod trains though), including the other passenger of a boat and (planned) the camel. In every vanilla dimension and every dimension of this mod the enderworld portal has some functionality. Try them out or check the wiki.