Part two of the mini-documentary on the historical occult underbelly of NYC is now online at The Midnight Archive. In this episode, former BB guestblogger Mitch Horowitz, author of the terrific Occult America: The Secret History of How Mysticism Shaped Our Nation, hips us to Theosophical Society founder Madame Blavatsky’s midtown Salon and the mystic side of Gran Central Station.