The Dead Sea Scrolls. Mecca & Medina. St. Peter’s Square. Yearly, the faithful flock to connect with symbols and sites that dig deep in their cultural DNA. But, where shall the god-less go? For pilgrims who’ve ever culled soul-shaping parables out of pop-songs, cineplexes or TiVo, this column’s for you. For any believers as teary-eyed…