Related by context. Frequent words. (Click for all words.) 55 optical illusion 55 MC Escher 54 trompe l' oeil 53 levitation 49 magic tricks 48 geometric shapes 48 sculptures 48 fractals 47 wormholes 47 fractal 47 pinhole camera 46 prisms 46 magicians 46 hieroglyphics 46 geometrical 46 dioramas 46 sculptural 45 multisensory 45 origami 45 whimsical 45 parallax 45 auras 45 synesthesia 45 geometric forms 45 puzzles 45 fantastical 44 astral 44 sensory perception 44 shapes 44 spooky 44 visual 44 vividly colored 44 reflective surfaces 44 kaleidoscopic 43 Sculptures 43 objects 43 surrealistic 43 anthropomorphic 43 tarot 43 soap bubbles 43 hidden meanings 43 kaleidoscope 43 perceptual 43 mathematical concepts 43 geometric 43 mythical creatures 43 performative 43 symmetries 43 refraction 43 multi sensory 43 psychic abilities 43 Escher 42 etchings 42 animatronics 42 mirror neurons 42 whorls 42 mirages 42 mosaics 42 oddities 42 Derren Brown 42 intricate 42 humanlike 42 stalactites 42 metaphysical 42 dreamscapes 42 riddles 42 labyrinths 42 drawings 41 mazes 41 sculpture 41 theorems 41 gravitational lensing 41 visual stimuli 41 visualizations 41 warping 41 visual stimulation 41 Dale Chihuly 41 surrealist 41 painting 41 gargoyles 41 tableaux 41 anagrams 41 divination 41 spherical 41 levitating 41 abstract paintings 41 pyramids 41 flying saucers 41 dragonflies 41 shadow puppets 41 constellations 41 crystals 41 Exploratorium 41 Orbs 41 clairvoyance 41 spider webs 41 visual cues 41 contraptions 41 spiritual beings 41 geometric patterns 41 mystic