Shemsi - the bible is open for interpretation. as taken from wikip one interpretation of Genesis 4:16 is that Cain was cursed to wander the land forever, not that he was exiled to a "Land of Wanderers", otherwise absent from the old testament.

Many lands existed as part of gods creation i.e. when he created the world he did not just create the garden of eden, this was simply mans place of residence within the creation.

If hell was created as the resting place for souls which did not conform to gods way while they lived on earth then it is still feasible that hell is not necessarily an actual place but more a place of non existence, a void, an eternal wandering of no rest as opposed to peace in heaven - a bit like the film Superman where General Zod and his sidekicks were roaming around space trapped inside that sheets of glass.