Keith Richards at Joshua Tree National Park. Actress Anita Pallenberg, at one point considered the sixth member of the Stones, can be seen in the background. The two of them would often accompany country musician Gram Parsons to the California desert. "It was a damn good feeling, for starters," Richards said of his trips to Joshua Tree. "There was a lot of stuff happening, and it gave me a sense of space. Eventually, I was so far in space, I was almost in the atmosphere."