The winter season's final days bring a sense of urgency as Duane makes a final push to uncover the secrets of the mysterious underground cavern on his property, only to be met with a baffling new mystery.
Aired: Jan 1, 2021Duane's obsession with uncovering the gold hidden beneath his land continues ...
Aired: Jan 8, 2021Chad ventures into the treacherous cave system, braving an underwater tunnel ...
Aired: Jan 15, 2021The team faces a new challenge when Duane decides the flooded cave is too ris...
Aired: Jan 22, 2021The team discovers ancient symbols on a cliff and a concealed mining tunnel, ...
Aired: Jan 29, 2021A shocking discovery is made by Duane while using ground-penetrating radar ne...
Aired: Feb 5, 2021The winter season's final days bring a sense of urgency as Duane makes a fina...
Streaming in:
Australia
Brazil
CanadaIndia
Spain
United Kingdom
United StatesSeasons: 4
Current Status: Returning Series
Network: Discovery
Genres:Reality-TV
