Underground Marvels - Season 1
Season 1
Episodes
Secrets of the Rock
A hidden, subterranean city built within the Rock of Gibraltar was an immense fortress to control the seas during World War II, and new discoveries reveal the secrets of a long-lost chamber with evidence of high-stakes espionage.
Mystery of the Lost Labyrinth
A strange, centuries-old labyrinth built into an abandoned quarry was built by an eccentric millionaire, and no one knows why; but now, a new excavation into this mysterious 9,000-foot tunnel system might finally reveal its dark secrets.
Secrets of the Terror Tunnels
A vast system of tunnels built almost three thousand years ago was the site of the greatest battles of antiquity, and these disorienting passages could be the deadliest weapon in war; experts reveal what made this underground world so terrifying.
The Renegade's Lair
A strange underground system known as the Black Cave is connected to a fairytale castle and was home to an infamous nobleman on the run from the law; today, experts investigate the secrets he left here to discover new parts of this mysterious network.
Cave of the Body Snatchers
An eerie system of underground vaults in Scotland was once the hideout for thieves who stole newly-buried bodies and sold them; today, experts are excavating these rubble-filled caves to reveal the secrets of what these bandits left behind.
World's Biggest Labyrinth
The world's biggest labyrinth is a 1,553-mile cave system that's home to some of history's darkest mysteries, and new discoveries at this strange place reveal the long-lost secrets of Nazi occupation, Soviet revolution, and Cold War subterfuge.
Treasures of the Lost Mine
Caverns hidden deep inside a remote mountain are home to a precious mineral found nowhere else on earth, and experts and treasure hunters use cutting-edge tech to follow rumors of a mysterious long-lost mine in search of a payday.
Ghosts of the Hell Maze
A labyrinth of tunnels in the French countryside has served as a secret hideout during wartime for centuries. On its walls, experts have discovered the final confessions of soldiers who fought here during one of the deadliest days of World War I.
Conspiracy in the Buried City
A buried ancient city hidden five stories underground, and to keep its location secret from invaders, its residents devised an ingenious trick; experts reveal what it was, and using the latest tech, they reveal the truth behind this strange place.
Curse of Cannibal Caves
A mysterious cave system is home to some of the oldest human remains ever discovered, and today, the explorers and researchers investigating this site are uncovering shocking evidence of cannibalism among its Ice Age denizens.
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Based on a collection of videotapes in the secret vault of the world's deadliest and most socially uncomfortable serial killer, who hires his victims to film him for the day under false pretenses, each episode exposes a new victim from one of the fabled 'Creep Tapes'.
America's Funniest Home Videos
ABC's longest-running primetime entertainment show, America's Funniest Home Videos, returns for season 36 this fall with the same mission -- giving families something genuinely funny to enjoy together on Sunday nights.
"AFV," the longest-running primetime entertainment show in ABC history, returns for season 36 with the same mission - to provide viewers with hysterical moments that fly by at a dizzying pace.
The Real Housewives of Potomac
Just up the river from our nation's capital lies a hidden gem—Potomac, Maryland. Its rolling hills, gated mansions, sophisticated prep schools, and exclusive country clubs all serve to keep the area invitation-only. Sprinkled throughout this community are a handful of old-line, wealthy African-American families who have historically broken racial barriers to provide a life of privilege for their children. The Real Housewives of Potomac follows the upscale lives of six intriguing, well-to-do women: Gizelle Bryant, Katie Rost, Karen Huger, Charrisse Jackson-Jordan, Robyn Dixon, and Ashley Darby, all of whom have fought for their places in this society by way of legacy or marriage. In a town where entry is granted only through class, pedigree, and lineage, how far will these ladies go to secure their spot at the top of this prestigious circle?
The Traitors Canada
Follow a group of contestants – including some familiar faces – who live together as they complete a series of challenges with the goal of earning a cash prize. The catch? Some of the contestants are traitors who will attempt to deceive and manipulate their way to the prize instead of sharing it amongst the group. In this psychological adventure will the traitors be unmasked in time?
