Is it possible to visit different Dimensions without modding? [closed]
The only "dimensions" you can access in the Vanilla version of Minecraft is the Nether, and the End.
The Nether is basically a "Hell" dimension, full of fire and lava and evil creatures. You can access this dimension through the use of a Nether Portal.
The End is a much darker dimension full of floating islands hovering in the void, which is home to the Ender Dragon, and End Cities. This can be found by locating an End Portal