The Evil Land or Supervillain Lair or Hidden Elf Village will be impossible for the heroes to get into except on foot, (or some other similarly inconvenient method), due to impossibly high mountains that have no passes and no goat-trails, a completely militarized frontier, mist-like magical barriers, cyclopean battlements, stormy reefs, and gigantic Black Gates. Both the good guys and the bad guys will maintain this policy because of these natural and man made defenses. As a result, the protagonist cannot simply hop a wagon train or fake a passport; they must climb impossibly sheer cliffs, traverse enormous deserts, and, because of the sheer visitor-unfriendliness of these places: