A Mediterranean island paradise and a once-thriving South African community are now all mysteriously deserted and desolate landscapes; experts investigate the secrets of these remarkable places to uncover how they were built and why they were abandoned. This episode is a mashup of S07E03 "Secrets of Mafia Island," S05E03 "Haunting of Heartbreak Castle," and S05E04 "Kingdom of the Vanished."

Forgotten places once home to Hollywood films and a terrifying prison fortress are now neglected and haunted ruins; experts investigate their mysteries and reveal the remarkable secrets behind the most iconic and ghostly places. This episode is a mashup of S07E04 "The World's Greatest Icons" and S05E07 "The Devil's Prison."