Abandoned Engineering
Murder Underground (S07E04)
A remarkable engineering feat etched into the side of a cliff, along with a distant beacon that sent out one of the most notorious messages in Amer...
S07E04
Show
Season 7 Episodes
S07E02 - Stalin's Subway
Abandoned Engineering
S07E03 - Disaster At The Maya Hotel
Abandoned Engineering
S07E04 - Murder Underground
Abandoned Engineering
S07E05 - El Dorado Canyon
Abandoned Engineering
S07E06 - The Mafia Bunker
Abandoned Engineering
S07E07 - Ruins of the Rust Belt
Abandoned Engineering
S07E08 - American Ghost Park
Abandoned Engineering
S07E09 - Fortress of the Sky
Abandoned Engineering
S07E10 - Catastrophe and Cover Up
Abandoned Engineering
S07E11 - Dead Sea Disaster
Abandoned Engineering