acheron, cocytus, lethe, river acheron, river cocytus, river lethe, river styx, styx

purgatory, twilight zone, netherland, realm, demimonde, abyss, dreamworld, rabbit hole, tartarus, nether, dreamscape, oblivion, afterlife, miasma, bermuda triangle, shadowland, specters, wormhole, nothingness, revenant, phantasm, labyrinth, abysses, neverland, anomie, morass, limbos, vortex, maw, murk, unnamable, mundanity, ether, hells, zombielike, lair, phantasmagoria, interstices, sheol, quicksand, underworld, servitude, funhouse, bizarro, shadows, incubus, nether region, desuetude, ennui, nefariousness, dystopia, alien, ectoplasm, maze, kafkaesque, thanatos, stasis, dybbuk, oubliette, fantasyland, unquiet, wraith, demons, wasteland, hobgoblins, heaven, godhead, hyperspace, subspace, souls, subculture, eldritch, astral, beings, empyrean, stupor, hugger mugger, maelstrom, pseudo, afterworld, perdition, charnel house, nebulousness, cesspit, existences, vagabonds, insubstantiality, ghosts, dungeon, infernal, hellhole, desolation, lonesomeness, phantoms, changelings, somnambulist, loony bin, obscurity, hyperreality, cavelike, jinns, unfortunates, limbo, penumbra, alchemy, atavism, impulsions, byways, depths, flotsam, hothouse, labyrinths, underbelly, undercurrents, undertow

imaginary place

hades, hel, hell, infernal region, scheol