The BEST episodes of Mysteries of the Abandoned season 12

Every episode of Mysteries of the Abandoned season 12, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Mysteries of the Abandoned season 12!

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.

Last Updated: 9/29/2025Network: Science ChannelStatus: Continuing
Soviet Slam Dunkers
star
7.92
12 votes

#1 - Soviet Slam Dunkers

Season 12 - Episode 1 - Aired 8/13/2025

An elaborate stadium in Lithuania hosts an unlikely Cold War matchup; an industrial relic in England gets caught in a heated labor dispute; a gothic-style tower in Memphis attracts rock and roll royalty.

Watch Now:Amazon
Revolution in El Paso
star
7.63
8 votes

#2 - Revolution in El Paso

Season 12 - Episode 5 - Aired 9/10/2025

An old compound in Texas bears the scars of a violent revolution; a secret facility outside Berlin is used by a dictator to escape justice; the estate of an aristocrat becomes a stronghold for the IRA.

Watch Now:Apple TV
Ghost Town in Palermo
star
7.40
10 votes

#3 - Ghost Town in Palermo

Season 12 - Episode 4 - Aired 9/3/2025

A ghost town in Sicily has deep roots in organized crime; an obscure asylum in Pennsylvania shocks America and inspires a revolution; a mansion in Ireland becomes embroiled in a bizarre kidnapping plot.

The Osage Oil Murders
star
7.25
8 votes

#4 - The Osage Oil Murders

Season 12 - Episode 2 - Aired 8/20/2025

A town in Oklahoma is transformed by the discovery of oil fields; a former school in Cambodia becomes the site of crimes against humanity; a remote radar facility in Latvia symbolizes the threat of nuclear warfare that characterized the Cold War.

Nazi Hospital Horrors
star
7.22
9 votes

#5 - Nazi Hospital Horrors

Season 12 - Episode 3 - Aired 8/27/2025

A German house of healing becomes a place of evil, a tin mine out in the jungle becomes the object of colonial interests, and a remote complex in Texas has a long history stemming from America's relationship with Mexico.

Death Camp of Deception
star
7.00
8 votes

#6 - Death Camp of Deception

Season 12 - Episode 6 - Aired 9/17/2025

A Nazi concentration camp gets used for a grotesque publicity stunt, Oscar Wilde is imprisoned after a well-publicized trial, and a building in Memphis intended to protect becomes a symbol of corruption.

Countdown to Armageddon
star
6.29
7 votes

#7 - Countdown to Armageddon

Season 12 - Episode 7 - Aired 9/24/2025

A remote site in Arkansas plays a major role in a high-stakes Cold War drama, an ancient ruin in Cambodia is ravaged by one man's cruel deception and a French fort becomes the symbol of a heroic but doomed resistance.