While meditating,
focusing on a elemental tattva,
you (possibly fall asleep and) enter a dream state.
If successful, you should dream that you have entered the corresponding elemental realm.
Use this experience for your dream journal
sourceChildren will always be afraid of the dark, and men with minds sensitive to hereditary impulse will always tremble at the thought of hidden and fathomless worlds of strange life which may pulsate in the gulfs beyond the stars, or press hideously upon our own globe in unholy dimensions which only the dead and the moonstruck can glimpse.
sourceSome of us awake in the night with strange phantasms of enchanted hills and gardens, of fountains that sing in the sun, of golden cliffs overhanging murmuring seas, of plains that stretch down to sleeping cities of bronze and stone, and of shadowy companies of heroes that ride caparisoned white horses along the edges of thick forests, and then we know that we have looked back through the ivory gates into that world of wonder that was ours, before we were wise and unhappy.