A ghost town in the American West was once a Gold Rush hotspot and one of the most violent places in America. Today, there are legends of a secret treasure buried in the surrounding hills. Stories: 1) Bannack, Montana, USA; 2) Der Riese, Owl Mountains, Poland; 3) Poldice Valley Mines, Cornwall, England, UK; 4) Wünsdorf Soviet Army Headquarters, Berlin, Germany
| Name | Type | Role | |
|---|---|---|---|
| Luke Wales | Producer | ||
| Tom Williams | Producer | ||
| Dominic Selwood | Guest Star | Self - Historian and Author | |
| Dougal Jerram | Guest Star | Self - Earth Scientist | |
| Igor Witkowski | Guest Star | Self - Author | |
| Jürgen Naumann | Guest Star | Self - Local Expert, Wunsdorf Soviet Army Headquarters | |
| Sascha Auerbach | Guest Star | Self - Historian | |
| James S. Corum | Guest Star | Self - Military Historian | |
| Rob Bell | Guest Star | Self - Engineer and Adventurer | |
| Andrew Gough | Guest Star | Self - Historian and Author | |
| Ainsley Cocks | Guest Star | Self - Research Officer, Cornwall County | |
| John Phillips | Guest Star | Self - Park Ranger, Bannack | |
| Claire Barratt | Guest Star | Self - Engineer | |
| Lynette Nusbacher | Guest Star | Self - Military Historian | |
| Neil Laird | Executive Producer | for SCIENCE CHANNEL | |
| Bruce Burgess | Executive Producer | ||
| Henry Scott | Executive Producer | ||
| Luke Wales | Director | ||
| Tom Williams | Director |