Episodes
S3 E1 - Doomsday at Dragon's Teeth
October 1, 201842minNew discoveries reveal how eerie ghost ships stranded in an alien desert, sinister ruins known as the Dragon's Teeth and a ghostly complex with a bloody past were built and why they are now abandoned.Available to buyS3 E2 - Nightmare on Blood Mountain
October 8, 201842minNew discoveries reveal how a ghost ship thousands of miles away from where anyone expected, a bridge to nowhere in Florida and a haunting mountain complex with a bloody secret were built and why they are now abandoned.Available to buyS3 E3 - Tower of Death
October 15, 201842minNew discoveries reveal how an alien Nazi structure that changed history, a strange Soviet monolith known as the Tower of Death and a concrete ocean giant were built and why they are now abandoned.Available to buyS3 E4 - Underwater Ghost Prison
October 22, 201842minNew discoveries reveal how an entrance to the underworld in the American wild, a haunting Soviet underwater prison and a strange complex of towers in a forest of ice were built and why they are now abandoned.Available to buyS3 E5 - America's Doomsday
October 29, 201842minNew discoveries reveal how a strange deserted city in America's heartland, an eerie gigantic wall deep in snow capped mountains, and a mysterious top-secret Soviet facility were built and why they are now abandoned.Available to buyS3 E6 - City of the Damned
November 12, 201842minNew discoveries reveal how a deserted town in Spain with a bloody past and a ghost fleet heading nowhere were built and why they are now abandoned.Available to buyS3 E7 - The Town That Disappeared
November 19, 201842minNew discoveries reveal how a haunted lighthouse on Lake Michigan, a town where everyone seems to have vanished all at once, and a secret complex of tunnels beneath London were built and why they are now abandoned.Available to buyS3 E8 - Nazi Death Star
November 26, 201842minNew discoveries reveal how an unfinished Nazi fortress that could have altered history, an underwater graveyard of unexpected American treasures and a network of tunnels were built and why they are now abandoned.Free trial of discovery+ or buyS3 E9 - The Real Shawshank
December 3, 201842minA prison with a dark past that became the setting of an iconic Hollywood movie and alien monoliths on a remote island are deserted engineering projects. New discoveries reveal how they were built and why they were abandoned.Free trial of discovery+ or buyS3 E10 - Secrets of the Alien Stonehenge
December 10, 201842minNew discoveries reveal how an alien Stonehenge with a sinister purpose, an eerie building filled with strange labyrinths and an endless concrete track in the middle of nowhere were built and why they are now abandoned.Free trial of discovery+ or buy