Synopsis

Deep beneath the jungle-shrouded temples of Mexico’s Yucatán Peninsula, a startling find has emerged: the world's most extensive network of flooded caves and subterranean rivers. Brave cave divers venturing into this otherworldly realm have unearthed remarkable treasures – unfamiliar creatures unlike any seen before, alongside the skeletal remains of ancient Maya people and the votive offerings they left for their deities. This was their underworld, and its mysteries are now beginning to surf