The mysterious symbol of the keyhole exists in mystic texts, sacred architecture and ancient artwork found all over the planet; exploring if this cryptic shape represents a profound connection to the cosmos.

Andrew Collins, Ariel Bar Tzadok, David Childress, Erich von Däniken, George J. Haas, Giorgio A. Tsoukalos, Hugh Newman, Ivana Malu, Jonathan Young, Layne Little, Lynn Picknett, Marty Lagina, Mauro Peppino Zedda, Praveen Mohan, Rita Lucarelli, Travis Taylor, William Henry