At the eastern edge of the Sonoran Desert, surrounded by towering saguaro and brightly blooming prickly pear cactus, sits the unassuming stucco building where I’m about to take a “soul journey.” For hundreds of years, shamanic traditions have used this technique to explore consciousness or even change a person’s behavior or perspective. At centers like Canyon Ranch, on the outskirts of Tucson, Arizona, new technologies claim to make it easier than ever to explore the inner workings of your mind and soul.