An American ghost town in the Amazon jungle, a secret Nazi base, and a deadly concrete fortress 866 miles long are mysterious deserted engineering projects. Stories: 1) Fordlandia, Para, Brazil; 2) Inner German Border, Hotensleben, Germany; 3) Mauerwald, Mamerki, Poland; 4) Pente D'eau, Montech, France
| Name | Type | Role | |
|---|---|---|---|
| Katherine 'Kate' Swanson | Producer | ||
| David Caldwell-Evans | Producer | Series Producer | |
| Christian Moretto | Guest Star | Self - VNF, Sud-Ouest | |
| Andrew Gough | Guest Star | Self - Historian and Author | |
| Susan Baumgartl | Guest Star | Self - IGB Memorial Director | |
| Roma Agrawal | Guest Star | Self - Structural Engineer | |
| Daniel 'Dan' Dickrell | Guest Star | Self - Mechanical Engineer | |
| Lynette Nusbacher | Guest Star | Self - Military Historian | |
| Raimundo de Souza Lisboa | Guest Star | Self - Local Resident, Fordlandia, Brazil | |
| Bartek Plebanczyk | Guest Star | Self - Mamerki Manager | |
| Jim Meigs | Guest Star | Self - Author and Journalist | |
| Rob Bell | Guest Star | Self - Engineer and Adventurer | |
| David Caldwell-Evans | Guest Star | Series Producer | |
| James S. Corum | Guest Star | Self - Military Historian | |
| Bruce Burgess | Executive Producer | ||
| Henry Scott | Executive Producer | ||
| Kyle McCabe | Executive Producer | for SCIENCE CHANNEL | |
| Katherine 'Kate' Swanson | Director |