The BEST episodes of Mysteries of the Abandoned season 13
Every episode of Mysteries of the Abandoned season 13, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Mysteries of the Abandoned season 13!
They were once some of the most advanced structures and facilities on the planet, standing at the cutting-edge of design and construction. Today they are abandoned, dangerous, some of them even deadly. From uninhabited cities to empty factories, these long-forgotten engineering marvels are scattered around the globe. Science Channel uncovers why some of the world's most advanced architectural achievements were eventually left behind in the all-new series Mysteries of the Abandoned.

#1 - Blood Wedding
Season 13 - Episode 1 - Aired 2/11/2026
A Spanish settlement hides a tale of forbidden love & ruthless retribution.
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#2 - Japan's Poison Island
Season 13 - Episode 6 - Aired 2/25/2026
An investigation centres on a New Jersey racetrack run by a notorious gang, a destructive legacy on a remote Japanese island, a Soviet bunker for a Lithuanian takeover and the pivotal facility that launched Motown's top artists.

#3 - The Island of No Return
Season 13 - Episode 2 - Aired 2/11/2026
In New Jersey, a symbol of American pride and dominance; a site in Japan used for wartime missions.

#4 - The Beer Riot
Season 13 - Episode 3 - Aired 2/18/2026
A compound in Seattle linked to a high-profile military scandal, a concrete shell in London that fell victim to the city’s largest explosion, a Wisconsin farmstead known for its brewing history, and a hilltop stronghold in Greece that faced the wrath of a sultan.

#5 - D-Day Castle
Season 13 - Episode 5 - Aired 2/25/2026
Unearth a wartime nerve center in Dover that made the UK proud, then visit a mansion caught in the crosshairs of the Civil War. Dig up an Estonian ruin's connection to Catherine the Great and explore the arena where Joe Louis boxed his way to fame.

#6 - Fort Traitor
Season 13 - Episode 11 - Aired 3/25/2026
Look at a New Jersey complex that once housed a military lab targeted by Soviet spies; examine a scarred Welsh coastline exploited for building materials; trek to a Greek WWII disaster site and a Peruvian palace with a dark secret.

#7 - Do-Over Ranch
Season 13 - Episode 4 - Aired 2/18/2026
Revisit an isolated Peruvian prison where a notorious riot took place and see a revolutionary sanctuary in a Las Vegas park. Learn how a Paris monument became a labor nightmare, then investigate a Sicilian paradise lost in the wake of a disaster.

#8 - Cold War Cover-Up
Season 13 - Episode 9 - Aired 3/11/2026
In Michigan, a top-secret military base embroiled in an unexplained disappearance; an Italian wonderland, shattered by links to the Mafia; a California transportation hub that inspired lasting change; and a Croatian complex drawn into a brutal conflict.

#9 - The Invisible Enemy
Season 13 - Episode 10 - Aired 3/18/2026
Inspect a Scottish site that became a military flashpoint; an Oklahoma ruin where Native American cultural genocide took place; look inside a crumbling Greek house of horrors and an Oregon military facility that once battled an imaginary enemy.

#10 - Churchill's Shadow War
Season 13 - Episode 12 - Aired 3/25/2026
A London tunnel complex from World War II and a New Jersey aviation disaster site are explored; the tour includes a former English industrial center and an Italian forest with unmarked graves.

#11 - Agent Zigzag
Season 13 - Episode 8 - Aired 3/4/2026
An iconic Philadelphia venue that set the stage for era-defining artists; a French compound, where a staggering deception was launched; and a Malaysian mansion, the scene of a baffling crime.

#12 - The Nazis' Last Stand
Season 13 - Episode 7 - Aired 3/4/2026
Nazi towers in Berlin, defended to the bitter end by child soldiers; a Chicago institution, once the largest of its kind in the world; an eccentric vision in the Malaysian jungle; and a complex in San Francisco, born from the ashes of tragedy.