Take a deep dive into the world of Richard Sharpe Shaver's bizarre art, and uncover the secrets of an ancient civilization. For 15 years prior to his death, Shaver obsessed over the texts and images he saw embedded inside rocks. It was an alien world that few, other than Shaver himself, could see. He began painting what he saw and thus became one of the most controversial outsider artists of the 20th Century. Art historians have compared Shaver's...