 After the Pranksters returned to California, they popularized the use of LSD at so-called "Acid Tests", which initially were held at Kesey's home in La Honda, California, and then at many other West Coast venues.The cross country trip and Prankster experiments were documented in Tom Wolfe's "The Electric Kool Aid Acid Test", a masterpiece of New Journalism.Experimentation with LSD, peyote, psilocybin mushrooms, MDA, marijuana, and other psychedelic drugs became a major component of 1960s counterculture, influencing philosophy, art, music and styles of dress.