A secret structure on a sinister mountain, an industrial compound swallowed by a forest, and a mysterious run in a sand dune are strange deserted engineering projects. Stories: 1) Tuefelsberg Listening Station, Berlin, Germany; 2) Phoenix Shot Tower, Baltimore, USA; 3) Politz Synthetic Oil Refinery, Police, Poland; 4) Rubjerg Knude Lighthouse, Jutland, Denmark
| Name | Type | Role | |
|---|---|---|---|
| Katherine 'Kate' Swanson | Producer | ||
| David Caldwell-Evans | Producer | Series Producer | |
| Andrew Gough | Guest Star | Self - Historian and Author | |
| Roma Agrawal | Guest Star | Self - Structural Engineer | |
| Lynette Nusbacher | Guest Star | Self - Military Historian | |
| Rob Bell | Guest Star | Self - Engineer and Adventurer | |
| James S. Corum | Guest Star | Self - Military Historian | |
| Dougal Jerram | Guest Star | Self - Earth Scientist | |
| Daniel 'Dan' Dickrell | Guest Star | Self - Mechanical Engineer | |
| Jakob Kofoed | Guest Star | Self - Park Ranger, Denmark | |
| Jackson Gilman-Forlini | Guest Star | Self - Programme Coordinator Historic Properties, Baltimore | |
| Kyle McCabe | Executive Producer | for SCIENCE CHANNEL | |
| Bruce Burgess | Executive Producer | ||
| Henry Scott | Executive Producer | ||
| Katherine 'Kate' Swanson | Director |