Linda Moulton Howe investigates reports of underwater structures discovered off Cuba that may represent ancient ruins. Howe examines sonar imagery showing geometric formations on the ocean floor at depths suggesting great antiquity. The conversation explores whether these structures could be remnants of advanced civilization predating known history. Howe discusses expeditions planned to investigate the site with underwater photography and documentation. The discussion connects the Cuba discovery to Atlantis legends and other stories of lost civilizations. Howe examines the geological questions about how structures could exist at such depths. Open lines follow with callers sharing perspectives on the Cuba findings and related ancient mysteries. The broadcast addresses mainstream archaeological resistance to evidence contradicting conventional human history timelines. Howe discusses other underwater sites worldwide that challenge understanding of ancient human capabilities. The conversation explores what discovering genuine pre-flood civilization ruins would mean for understanding human origins and development.