Occasionally the heroic endeavors of Freedom's finest take them beyond the city's boundaries into other cities, such as Bedlam City or the Emerald Cities, or other countries.
Threads taking place on other planets go in The Worlds Beyond; threads in other dimensions go in The Realms Beyond.
The known universe is designated as Earth Prime. The known dimensions of the omniverse fall into essentially one of three major types, although the exact lines between these categories are sometimes blurry. The scientific community focuses more on parallel dimensions, while the occult community deals primarily with mystic dimensions. Interstitial/Transitory dimensions bridge two or more universes.