Thomas Fusco & his book, Behind-The-Cosmic Veil, has plenty of data & ideas to compare about the structure of reality, time and space. www.cosmicveil.com
Thomas has strong doubts about the multiverse theory. Indeed, there could be one created Universe that has many levels & channels to it. However, even if one believes that only 1 Universe was ever created, how can they be certain of that? The natural formation or creation of the universe could be a single cosmic data-field or a cosmos that has a multitude of information, dimensions, frequencies, portals & realities.
The Cabin-in-the-Woods movie is a labyrinth of hidden things.
History has various cases of artifacts & concepts that seem out-of-place-in-time-and space. Psychic phenomenon is full of a wide variety of paths & capabilities, but many still seem uninterested about the implications.