The world is charted in what is known as a Wonder Map, of magical traits that add places to it as it is discovered, and can add Towns, Dungeons and Landmarks to itself everytime one is found.
See also: Dungeon List
Also referred to as the Mystery Dungeons. They are special places of even more special properties, able to change their layout and contents with every visit they get, almost as if they were living things by themselves. The dungeons that have been visited so far include:
Places that are visitable and as fascinating as dungeons, that do not fit the criteria to properly be one. Those that have been shown are displayed below: